Gauntlet leads the field in quantitative research and optimization of DeFi economics. We manage market risk, optimize growth, and ensure economic safety for protocols facilitating most spot trading, borrowing, and lending activity across all of DeFi, protecting and optimizing the largest protocols and networks in the industry. We build institutional-grade vaults for decentralized finance, delivering risk-adjusted onchain yields for capital at scale. Designed by the most vigilant, quantitative minds in crypto and informed by years of research.
As of November 2025, Gauntlet manages over $2B in vault TVL, and optimizes risk and incentives covering over $42 billion in customer TVL. We continually publish cutting-edge research that informs our risk models, alerts, and analysis, and is among the most cited institutions â including academic institutions â in terms of peer-reviewed papers addressing DeFi as a subject. Weâre a Series B company with around 75 employees, operating remote-first with a home base in New York City.
As a company, we build institutional-grade vaults that deliver risk-adjusted DeFi yields at scale, powered by automated risk models and off-chain intelligence. Gauntlet curates strategies across Morpho, Drift, Symbiotic, Aera and more, with >$2B in vault TVL and a growing suite of Prime, Core and Frontier vaults.
Our mission is to drive adoption and understanding of the financial systems of the future. We operate with a traderâs discipline and a risk managerâs skepticism: size carefully, stress routinely, unwind decisively. The label equals the package equals the contents. No surprises, just predictable, reliable vaults.
Join our derivatives trading team and work on the key infrastructure that powers our product offering as well as trading systems. Work with a team with decades of experience in tech and finance to build the backbone of our high-performance derivatives trading strategies. You'll work close to trading, own critical infrastructure end-to-end, and ship systems that manage real capital in live crypto markets.
\n- Design, implement, and operate scalable distributed systems in production.
- Build low-latency and streaming systems for real-time and near real-time workloads.
- Develop data pipelines and ETL workflows for ingesting, transforming, and serving data.
- Build and maintain application services and APIs used by internal and external systems.
- Implement Web3 protocol integrations, including smart contract interactions and on-chain data ingestion via RPCs, logs, and indexers.
- Apply SRE principles to improve reliability, observability, and operational correctness.
- Participate in incident response, debugging production issues and driving root-cause fixes.
- Contribute to system design and code reviews, maintaining high engineering standards.
- Leverage AI-assisted development tools to improve productivity, code quality, and system understanding, while exercising strong engineering judgment.
- Write and maintain technical documentation for systems and workflows.
- 6+ years of professional software engineering experience.
- Strong proficiency in Python, Rust, and/or JavaScript/TypeScript.
- Experience building low-latency or high-throughput systems.
- Experience designing and operating scalable distributed systems.
- Hands-on experience with Web3 systems, including interacting with smart contracts and consuming on-chain data.
- Experience with streaming or messaging systems (e.g. Kafka, Pub/Sub).
- Experience with data storage systems (e.g. Postgres, ClickHouse).
- Experience deploying and operating software in cloud environments (e.g. GCP).
- Familiarity with containerized systems (Docker, Kubernetes).
- Understanding of SRE practices, including monitoring, alerting, and incident response.
- Strong understanding of security fundamentals (authentication, authorization, secrets management).
- Previous experience at financial or trading firms.
- Smart contract development experience (e.g. Solidity).
- Experience with workflow orchestration (e.g. Dagster).
- Experience operating systems with strict reliability or performance requirements.
- Exposure to infrastructure as code or CI/CD systems.
- Remote first - work from anywhere in the US & CAN!
- Competitive packages with the added opportunity for incentive-based compensation
- Regular in-person company retreats and cross-country "office visit" perk
- 100% paid medical, dental and vision premiums for employees
- Laptop provided
- $1,000 WFH stipend upon joining
- $100 per month reimbursement for fitness-related expenses
- Monthly reimbursement for home internet, phone, and cellular data
- Unlimited vacation policy
- 100% paid parental leave of 12 weeks
- Fertility benefits
Please note at this time our hiring is reserved for potential employees who are able to work within the contiguous United States and Canada. Should you need alternative accommodations, please note that in your application.
The national pay range for this role is $165,000 - $205,000 plus additional On Target Earnings potential by level and equity in the company. Our salary ranges are based on paying competitively for a company of our size and industry, and are one part of many compensation, benefits and other reward opportunities we provide. Individual pay rate decisions are based on a number of factors, including qualifications for the role, experience level, skill set, and balancing internal equity relative to peers at the company.
#LI-Remote
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We are a Web3-driven company building decentralized products and working with blockchain data to create transparent and data-informed solutions. We are looking for a Junior Data Analyst who is curious about blockchain, crypto, and decentralized ecosystems
Responsibilities
- Collect, clean, and analyze on-chain and off-chain data
- Work with blockchain datasets (transactions, wallets, smart contracts)
- Build dashboards to track key metrics (users, transactions, TVL, etc.)
- Identify trends in user behavior and protocol performance
- Support product, marketing, and token strategy teams with insights
- Write SQL queries and work with data pipelines
- Requirements
Education :Â Bachelorâs degree in Mathematics, Statistics, Economics, Computer Science, or a related field
Technical Skills:
- Basic knowledge of SQL
- Proficiency in Excel / Google Sheets
- Basic Python (pandas, numpy)
- Understanding of data analysis and statistics
- Familiarity with BI tools (Tableau, Power BI, or similar)
Web3 / Crypto (Preferred):
- Basic understanding of blockchain concepts (wallets, transactions, smart contracts)
- Interest in DeFi, NFTs, or crypto markets
- Experience with blockchain analytics tools (e.g., Dune, Nansen, Glassnode) is a plus
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We are a leading trading platform that is expanding to the four corners of the globe. Our top-rated products have won prestigious industry awards for their cutting-edge technology and seamless client experience. We deliver only the best, so we are always in search of the best people to join our ever-growing talent team.
We are currently growing our Backend Team and looking for great Engineers with an interest in trading to join us! Our Engineering team plays a pivotal role in ensuring the robustness, speed, and security of our product. Dedicated to enhancing performance, providing a best-in-class user experience, ensuring compliance, and safeguarding data, the team's efforts directly impact our ability to offer clients a seamless and secure trading journey.
We believe great engineering talent not only delivers excellent code, but also lives our values. We are looking for someone who is eager to go fast, willing to innovate and grow, who knows how to listen, respect and support, strives to exceed client expectations, and takes full ownership to achieve real results.
\n- Design and build scalable, low-latency, and high-performance backend services
- Develop distributed and asynchronous systems ensuring reliability and fault tolerance
- Optimise performance across JVM, databases, caching, and networking layers
- Apply security best practices in handling client PII and financial transactions
- Use event-driven architectures and modern messaging solutions (e.g. Kafka)
- Collaborate with cross-functional teams to align architecture with business needs
- Maintain high code quality through testing, code reviews, and CI/CD practices
- Leverage AI tools to accelerate development, testing, and delivery
- Design and build backend systems for custody, wallet services, staking, and trading.
- Implement secure key-management and transaction-signing workflows (multisig, MPC, HSM).
- Integrate with blockchain nodes, custody providers, CEX/DEX APIs, and staking protocols.
- Support the integration of third-party staking service providers and manage the associated workflows, including delegation, monitoring, and reward distribution.
- Proven experience in FinTech, Banking, or related financial domains
- Strong understanding of distributed systems architecture and the clientâserver model
- Ability to design and maintain scalable, low-latency, high-performance systems
- Solid knowledge of concurrency, multithreading, and asynchronous programming
- Awareness of security best practices in handling PII and financial transactions
- Basic understanding of network protocols and troubleshooting
- Experience working in a product-led fast-paced environment as a team player
- Strong understanding of blockchain fundamentals: consensus, mempool, finality, gas mechanics, security considerations, and transaction lifecycles.
- Hands-on experience with major chains (e.g., Ethereum, Bitcoin, Solana, Cosmos, Polygon).
- Deep experience with wallet systems, key management, multisig/threshold signatures, hot/cold wallet architecture, and secure signing pipelines.
- Experience with custody platforms (Fireblocks, BitGo, Ledger Enterprise, Copper) or building custody-grade internal wallet infrastructure.
- Practical experience with staking/validator operations, including rewards, uptime, monitoring, and slashing mitigation.
- Java and Spring: Advanced knowledge of Java Core technologies and the Spring framework
- Data Mastery: Proficiency with SQL databases, ensuring optimal performance, structure, and replication
- Concurrency & Async programming: advanced understanding and hands-on experience in asynchronous programming methods.
- Events streaming: Understanding of the event driven architecture (Kafka or similar solutions).
- Operational Proficiency: Understanding and hands-on experience with Ops activities, Kubernetes, pipelines, Fit Flow and modern CI/CD patterns and strategies
- AI tools: ability to effectively use AI technologies in engineering work e.g. applying AI for coding assistance, debugging, testing, documentation, and optimisation of workflows
- Communication: Effective communication skills, especially with teams responsible for security, operations and product
- Analytical thinking: Ability to tackle and investigate complicated problems and convert it to the task
- Adaptability to Rapid Changes: Demonstrated capability to adjust to quick technological shifts and evolving business requirements
- Ownership and Accountability: Readiness to take ownership of tasks, issues as well as demonstrate accountability of the results and outcome
- Performance: Knowledge of JVM performance optimization practices
- No-SQL: Experience working with no-SQL databases is a big plus
- In-memory storage: Strong knowledge of in-memory cache solutions
- Familiarity with double-entry accounting
- Understanding of DeFi protocols, liquidity mechanisms, yield strategies, or governance systems.
- Exposure to MEV concepts, transaction simulation, or on-chain execution optimization.
- Competitive salary and annual performance-based bonus
- Generous annual leave policy
- Health insurance and pension fund, with additional benefits depending on location
- Hybrid working model (3 days from office) or fully remote across the country of employment
- Workation policy (30 days remote from anywhere in the world)
- Two additional paid days per year dedicated to volunteering
Be a key player at the forefront of the digital assets movement, propelling your career to new heights! Join a dynamic and rapidly expanding company that values and rewards talent, initiative, and creativity. Work alongside one of the most brilliant teams in the industry.
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Job Position: Blockchain Site Reliability Engineer
Location: Dallas, TX, USA (Remote Acceptable - USA Applicants Only)
Company: https://infstones.com/
Contact: recruiter-usa@infstones.com
About Company
InfStones is an advanced, enterprise-grade Platform as a Service (PaaS) blockchain infrastructure provider trusted by the top blockchain companies in the world. InfStonesâ AI-based infrastructure provides developers worldwide with a rugged, powerful node management platform alongside an easy-to-use API. With over 20,000 nodes supported on over 80 blockchains, InfStones gives developers all the control they need - reliability, speed, efficiency, security, and scalability - for cross-chain DeFi, NFT, GameFi, and decentralized application development. InfStones is trusted by the biggest blockchain companies in the world including Binance, CoinList, BitGo, OKX, Chainlink, Polygon, Harmony, and KuCoin, among a hundred other customers. InfStones is dedicated to developing the next evolution of a better world through limitless Web3 innovation.
To date, InfStones has raised over $110 million in capital and is backed by Softbank, GGV Capital, Susquehanna International Group (SIG), Dragonfly Capital, Qiming Venture Partners, Plug and Play, and many renowned institutional investors. InfStones is proud to offer medical, vision, dental, short-term and long-term disability insurance, 401(k) plan with company matching, FSA, and other benefits to all full-time employees, along with flexible paid time off, sick days, and holidays.
If you enjoy being on the cutting edge of technology, we encourage you to apply!
Job Description
As a Blockchain Site Reliability Engineer (SRE), you will be responsible for ensuring the reliability, availability, and performance of blockchain nodes and related infrastructure. Youâll monitor, troubleshoot, and resolve incidents in production environments, while also building automation tools to improve efficiency and reduce operational risks.
This role requires strong Linux system expertise, solid on-call and incident response experience, and the ability to work under pressure to quickly restore services. Youâll also collaborate with protocol engineers and open-source communities to ensure smooth upgrades and long-term system stability.
Key Responsibilities
1. Deploy, monitor, and maintain blockchain nodes across multiple networks.
2. Ensure system reliability and uptime by actively managing incidents, troubleshooting, and resolving node failures.
3. Develop automation and maintenance tools (using Golang, Shell, Python, etc.) to streamline operations.
4. Build and maintain monitoring, alerting, and logging systems to proactively detect and address issues.
5. Collaborate with engineering teams and solution architects on reliability improvements and incident prevention.
6. Participate in the on-call rotation to provide timely incident response and resolution.
Qualifications
1. Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience).
2. Strong Linux system administration skills (networking, performance tuning, debugging, security).
3. Expertise with at least one mainstream programming language such as Golang, Python, Javascript, Rust, etc., and have good programming skills and programming habits.
4. Experience with monitoring/alerting tools (e.g., Prometheus, Grafana, ELK, etc.).
5. Strong problem-solving skills and the ability to respond quickly under pressure.
6. Solid technical documentation skills.
Prefers (Nice to have)
1. Hands-on experience with blockchain node deployment, maintenance, and upgrades.
2. Familiarity with mainstream blockchain protocols (e.g., Ethereum, Cosmos, Polkadot, Solana).
3. Experience with containerization/orchestration tools (Docker, Kubernetes).
4. Knowledge of smart contracts, Web3 RPC, or Solidity is a plus.
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About MoonPay
Hi, weâre MoonPay. Weâre here to onboard the world to the decentralized economy by making digital money move as universally and effortlessly as the internet.
Why?
Because crypto, stablecoins and blockchain arenât just technologies. Theyâre tools for global financial empowerment. They give people and businesses more control over their money, their digital assets, and their future, opening access to legacy financial systems that have been out of reach for many.
What we do
MoonPay is a unified payments platform for digital currency. We make it easy for anyone, anywhere, to buy, sell, swap and pay in digital currencies as easy as sending an email. That simplicity is intentional, our focus is reducing complexity so people can participate confidently, without needing to be crypto experts. We power the entire flow between fiat and crypto end to end, with compliance, identity checks, fraud prevention, and settlement all built in. This end-to-end approach reflects how we work internally: with accountability, rigor, and trust built into everything we ship.
Proven at scale
Trusted by over 30 million customers and over 500 ecosystem partners, our secure, enterprise-grade platform is driving mainstream crypto adoption worldwide. Behind those numbers are millions of real people and organizations relying on MoonPay every day.
We collaborate with innovative brands and projects to build secure, scalable solutions for a blockchain-powered future. This is an opportunity to help shape systems, not just scale them. And weâre committed to doing it right. Fully licensed in the U.S. and regulated across the UK, EU, Canada, and Australia, because trust and compliance are non-negotiable.
But weâre just getting started. Weâve launched a consumer app that makes crypto accessible, intuitive, and usable for everyone, and itâs growing fast. Weâre iterating every day to make it the best it can be.
If you believe financial freedom should be for everyone. If you believe in building a fairer, more open financial system - we want you with us. To build systems that benefit all, we need contributions from all, regardless of background.
Come build the future of payments and the decentralized economy with MoonPay. Letâs make financial freedom and autonomy the new normal.
\nAs the Product Security Manager, you will play a pivotal role in securing the infrastructure that powers the Web3 economy. You will lead and scale two high-impact teams: Application Security and Vulnerability Management & Automation.
Your mission is to ensure that security is woven into the fabric of our product development lifecycle, empowering our engineers to build fast without compromising on safety. You will be a mentor, a strategist, and a leader helping MoonPay maintain its reputation as the most trusted brand in the space.
You are a natural leader able to influence different parts of the business with security initiatives and negotiate the best security solutions for new challenges and unexplored territories
-
Lead and Mentor: Oversee the day-to-day operations and career development of the Application Security and Vulnerability Management & Automation teams.
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Security Strategy: Define the roadmap for product security, focusing on scalable automation and proactive defense mechanisms.
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Vulnerability Management: Drive the end-to-end lifecycle of vulnerability discovery, triaging, and remediation across our entire ecosystem.
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Application Security: Improve security tooling (SAST, DAST, SCA) into CI/CD pipelines and lead threat modeling sessions and penetration testing for new features.
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Cross-Functional Collaboration: Partner with Engineering and Product leaders and help and influence with security topics new business units and acquisitions to prioritize security debt and promote a culture of Security by Design.
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Incident Response: Lead high-priority security incidents and investigations and improve processes, manage team rotas and escalations.
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Regulatory and Compliance: Support organisation maintain or acquire new critical certifications such as SOC2, PCI, CIS TOP 18, ISO27001.
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Experienced Leader: You have a proven track record of managing technical security teams in high-growth, cloud-native environments.
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Adaptive in Ambiguity: As our team moves at a very fast pace, you must be comfortable navigating ambiguity and resolving unclear or evolving topics effectively.
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Technical Depth: You possess a strong background in application security, penetration testing and software engineering.
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Automation Mindset: You believe that manual processes are bugs and have experience building or implementing automated security scanning and reporting tools.
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Strategic Thinker: You can balance immediate tactical needs with long-term security goals.
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Web3 Enthusiast: You are curious about (or experienced in) blockchain technology, smart contract security, and the unique challenges of the Web3 landscape.
The Product Security team operates within a cutting-edge technological environment and focuses on several critical areas to ensure the highest level of security for our platform and products.
-
Modern Tech Stack and Infrastructure: We leverage an advanced cloud infrastructure designed for high scalability and resilience. Our development and deployment processes are built upon robust CI/CD environments, necessitating security integration at every stage, from code commit to production deployment. This involves securing containers, serverless components, and sophisticated cloud-native networking configurations.
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Scalable Automation Frameworks: To effectively manage security risks across a rapidly expanding codebase and infrastructure, we utilize and develop both custom-built and industry-standard tools for vulnerability management. This includes automated security testing, dependency scanning, misconfiguration detection, and streamlined vulnerability triage and remediation workflows, all designed to operate effectively at scale.
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Securing the Next Generation of Features: A major strategic focus is on securing our next generation of AI-enabled features. This involves proactive security measures related to Large Language Models (LLMs) and other AI components. Our goal is to ensure data privacy and integrity within all model interactions and maintain compliance with responsible AI principles.
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Diverse and Proactive Application Security Services: We offer a full spectrum of proactive security guidance and services tailored to the needs of various engineering and business lines. This includes comprehensive penetration testing (both internal and external), in-depth threat modeling during the design phase of new features, security architecture reviews, and the development of secure coding standards. These services are provided across a wide variety of applications and business lines, from core financial services to new user-facing products.
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Continuous Improvement and Security Posture Enhancement: We maintain a strong commitment to the principle of continuous improvement. This involves constantly exploring and identifying opportunities to level up the security posture across the entire organization. This includes enhancing tooling, refining processes, developing and delivering security training to engineering teams, and driving large-scale security initiatives.
-
Secure Development Lifecycle Guidance: A core responsibility is to guide engineering teams on adopting best practices for the secure development and deployment of their applications. This encompasses promoting a security-first culture, embedding security requirements into the SDLC, providing timely consultation on security issues, and helping teams implement security controls effectively.
BLOCK Values
Weâre looking for people who live our core values, those who strive for excellence and want to leave a lasting legacy on the global financial system. Our values:
B - Be Hungry
L - Level Up
O - Own It
C - Crypto Curious
K - Kaizen
Research has shown that women are less likely than men to apply for this role if they do not have experience in 100% of these areas. Please know that this list is indicative, and that we would still love to hear from you even if you feel that you are only a 75% match. Skills can be learnt, diversity cannot.
Benefits & Perks ð¡
ð°Competitive salary package
ð¤ Equity package: We believe financial freedom starts with our employees, so all employees have ownership at MoonPay
ð Pay for performance equity bonus: Those who drive outsized outcomes receive outsized rewards
ð Moonshot award. We honor exceptional impact - 10 employees twice a year, each earning a $250,000 equity grant.
ð Unlimited holidays: We give you the autonomy to choose when to work (and when to switch off)
ð Hybrid working schedule: Work fully remotely or your nearest Moonbase, the choice is yours
𩺠Private Healthcare benefits: To protect you and your loved ones
ð¼ Enhanced parental leave: So you can spend more time with your loved ones without a second thought
ð Annual training budget: We support your training journey every step of the way
ðª Home office setup allowance: Create the home office of your dreams
ð Remote working allowance: Those working fully remotely get a little extra for utilities
ð° Monthly budget to spend on our products and zero fee crypto transactions: Cultivate your inner DEGEN
ð° Employee referral programme: Great people know great people, refer them to receive 10K in USDC
âï¸ Regular remote company offsites: Meet your colleagues regularly for high impact in person sessions and hackathons
ð Working in a disruptive and fast-growing company where excellence is rewarded
Commitment To Diversity
At MoonPay we believe that every voice matters. We strive to create a mindful and respectful environment where everyone can bring their authentic self to work, and experience a culture that is free of harassment, racism, and discrimination. Thatâs why we are committed to diversity and inclusion in the workplace and are a proud equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including, but not limited to, hiring, recruiting, promotion, termination, layoff, and leave of absence.
MoonPay is also committed to providing reasonable accommodations in our job application procedures for qualified individuals with disabilities. Please inform our Talent Team if you need any assistance completing any forms or to otherwise participate in the application process.
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Job Position: Senior Application Engineer
Location: Dallas, TX, USA (Remote Acceptable - USA Applicants Only)
Company: https://infstones.com/
Contact: recruiter-usa@infstones.com
About Company
InfStones is an advanced, enterprise-grade Platform as a Service (PaaS) blockchain infrastructure provider trusted by the top blockchain companies in the world. InfStonesâ AI-based infrastructure provides developers worldwide with a rugged, powerful node management platform alongside an easy-to-use API. With over 20,000 nodes supported on over 80 blockchains, InfStones gives developers all the control they need - reliability, speed, efficiency, security, and scalability - for cross-chain DeFi, NFT, GameFi, and decentralized application development. InfStones is trusted by the biggest blockchain companies in the world including Binance, CoinList, BitGo, OKX, Chainlink, Polygon, Harmony, and KuCoin, among a hundred other customers. InfStones is dedicated to developing the next evolution of a better world through limitless Web3 innovation.
To date, InfStones has raised over $110 million in capital and is backed by Softbank, GGV Capital, Susquehanna International Group (SIG), Dragonfly Capital, Qiming Venture Partners, Plug and Play, and many renowned institutional investors. InfStones is proud to offer medical, vision, dental, short-term and long-term disability insurance, 401(k) plan with company matching, FSA, and other benefits to all full-time employees, along with flexible paid time off, sick days, and holidays.
If you enjoy being on the cutting edge of technology, we encourage you to apply!
Job Description
As a Senior Application Engineer, you will lead the development, testing, and maintenance of high-quality software applications and systems, collaborating closely with open-source communities to integrate the latest advancements in blockchain infrastructure. You will tackle complex technical challenges, working alongside product managers and ecosystem solution architects to convert unique requirements into impactful products. Additionally, youâll mentor and guide junior engineers, providing technical leadership and fostering a collaborative environment to ensure team success. In this role, youâll write clean, scalable, and efficient code while upholding best practices, conducting code reviews, and ensuring all technical documentation is thorough and accessible.
This role is not only highly technical but also strategicâyou will act as a leader within the engineering team, helping shape direction, encouraging innovation, and cultivating a culture of accountability and excellence. Your ability to inspire and empower others will be critical to driving both individual growth and team performance.
Key Responsibilities
1. Lead the design, implementation, and maintenance of scalable applications and backend services.
2. Mentor and provide guidance to junior engineers, supporting their professional growth and technical skills development.
3. Conduct code reviews and ensure adherence to coding standards and best practices.
4. Drive technical innovation and identify opportunities to improve processes, tools, and frameworks for the team.
5. Offer technical leadership in project planning and decision-making, helping to set the strategic direction for key initiatives.
6. Collaborate with product managers, architects, and other stakeholders to define technical solutions.
7. Improve engineering processes, tools, and frameworks to enhance productivity and system reliability.
8. Contribute to technical documentation, ensuring clarity and accessibility.
9. Serve as a role model by promoting collaboration, knowledge sharing, and accountability across the team.
Qualifications
1. Bachelorâs degree in Computer Science, Engineering, or a related field with 5+ years of relevant experience, or a Masterâs degree with 3+ years of relevant experience.
2. Proficiency in at least one mainstream programming language (e.g., Golang, Python, Javascript) with demonstrated good programming skills and habits.
3. Experience working with databases (SQL/NoSQL) and cloud platforms (e.g., AWS, Azure).
4. Solid understanding of data structures, algorithms, and software design principles.
5. Strong technical documentation writing skills, evidenced by the ability to produce clear, comprehensive documentation.
6. Strong experience with containerization and microservices (Docker, Kubernetes).
7. Demonstrated leadership abilities, including mentoring, coaching, and leading technical initiatives within a team environment.
Prefers (Nice to have)
1. Knowledge of microservices architecture and containerization (Docker, Kubernetes).
2. Experience with DevOps tools and CI/CD pipelines.
3. Hands-on experience with blockchain protocols, smart contracts, or Web3 development.
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Obol builds mission-critical technologies that help keep Ethereum decentralized and secure. Already securing billions of dollars in staked ETH, Obol Distributed Validators are the end game of Ethereum staking, delivering higher uptime, lower risk, and stronger performance than legacy staking setups.
Obolâs middleware, Charon, which powers Distributed Validators (DVs), enables Ethereum validators to be run across multiple operators and machines. With features like threshold signing, distributed key generation, and no runtime key access, DVs deliver the most resilient, highest-performing validators on Ethereum â the end game of staking ETH.
The Obol Collective, powered by the OBOL Token, is home to the worldâs largest decentralized operator ecosystem â a network of financial institutions, staking protocols, client teams, software tools, community projects, and professional node operators. This includes names like Lido, EtherFi, Nethermind, Blockdaemon, Stakewise, Chorus One, DappNode, and many more.
Mission of the role
A Technical Customer Success Manager guides customers through the adoption of Distributed Validators, through to the ongoing oversight of their stakeâs performance and security.
Rather than functioning as customer support agents, CSMs form a direct relationship with customers and provide them with timely value propositions, products, and features, to get the most benefits and rewards from adopting Obol technologies to improve their staking setups.
In this case, the mission of the role is to manage relationships between ETH Capital Allocators and their staking operators.
This helps customers grow and achieve goals while simultaneously strengthening their relationship with the business.
\n- Serve as the primary point of contact and trusted advisor for key technical stakeholders, coordinating internal resources to ensure their success with Obol.
- Lead the full node operator journey post-partnership, including onboarding, deployment optimisation, and ongoing distributed validator management.
- Educate customers on how to effectively use Obolâs software, providing technical guidance and reference implementations, answering questions (including in Discord), and ensuring optimal staking setup and performance.
- Understand customer needs deeply and communicate recurring feedback, behaviors, and requirements to internal teams (product, marketing, business, legal).
- Maintain and improve documentation to support customer use cases and technical needs.
- Work with customers to evaluate their infrastructure costs and develop cost saving models for adopting Obol.
- Coordinate customer upgrades and recommend performance optimizations.
- Work with Business & engineering teams to align on priorities & roll out new features. Manage customer success function via monthly cluster performance reviews & feedback collections.
- Experience as a DevOps Engineer or Software Developer
- Practical knowledge of Kubernetes, Helm, Grafana, Ansible, Terraform, Docker, and Unix
- Experience deploying software to both cloud environments and bare-metal infrastructure
- Web3 or staking experience is a plus
- Comfortable in customer-facing situations
- Located within UTC-5 to UTC+3 time zone
- Programming skills and developer experience
- Understanding of the Ethereum Virtual Machine and Solidity
- Running servers at home
- Competitive compensation
- Flexible hours
- Generous paid time off (According to company policy)
- Equipment Budget
- Annual offsite to meet the team
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Are you a talented Senior Developer looking for a remote job that lets you show your skills and get decent compensation? Look no further than Lemon.io â the marketplace that connects you with hand-picked startups in the US and Europe.
What we offer:
- The rate depends on your seniority level, skills and experience. We've already paid out over $11M to our engineers.
- No more hunting for clients or negotiating rates â let us handle the business side of things so you can focus on what you do best.
- We'll manually find the best project for you according to your skills and preferences.
- Choose a schedule that works best for you. Itâs possible to communicate async or minimally overlap within team working hours.
- We respect your seniority so you can expect no micromanagement or screen trackers.
- Communicate directly with the clients. Most of them have technical backgrounds. Sounds good, yeah?
- We will support you from the time you submit the application throughout all cooperation stages.
- Most of our projects involve working in a fast-paced startup environment. We hope you like it as much as we do.
- Through our community, we will connect you with the best developers from more than 71 countries.
We have several open positions for Full-Stack React.js Developers - please see the details below. We also have some backend positions; the full list is included below as well.
Requirements for the Senior React & Python Position:
- 4+ years of software development experience
Commercial experience:
- React.js 3+ years and Python 3+ years OR React.js 2+ years and Python 5+ years OR React.js 5+ years and Python 2+ years
- Experience with AWS, GCP, or Azure is required
Requirements for the Senior Python Position:
- 5+ years of software development experience
- 5+ years of commercial experience with Python
- 3+ years of commercial experience with Flask
Requirements for the Senior Golang & React Position:
- 4+ years of software development experience
- React.js 3+ years and Golang 3+ years OR React.js 2+ years and Golang 5+ years OR React.js 5+ years and Golang 2+ years
Requirements for the Senior Golang Position:
- 5+ years of software development experience
- 5+ years of commercial experience with Golang
Requirements for the Senior Node & React Position:
- 5+ years of software development experience
Commercial experience:
- React.js: 3+ years, Node.js: 5+ years, and Next.js: 2+ years
OR
React.js: 5+ years, Node.js: 3+ years, and Next.js: 2+ years
- Expertise in TypeScript, Supabase and AWS is a must.
Other requirements:
- Strong technical skills: as a Senior Developer, you are expected to be able to create projects from scratch and have a deep understanding of application architecture.
- Clear and effective communication in English â advanced ability to discuss business tasks, justify decisions, and communicate issues. Good self-presentation is also essential for upcoming client calls.
- Strong self-organizational skills â ability to work full-time remotely with no supervision.
- Reliability â we want to trust you and expect that you wonât let us and the client down.
- Adaptability and Flexibility â the ability to onboard the project promptly after accepting it and start delivering results quickly.
Sounds good for you? Apply now and join the Lemon.io community!
NOT YOUR TECH STACK?
We have multiple projects available for Senior Developers. If you have 4+ years of commercial software development experience and are proficient in any of the following areas: React & Ruby, PHP & Angular, PHP & Vue, Vue & Node.js, React & .NET, Android & iOS, Angular & .NET, Angular & Node.js, Vue & .NET, Python & Vue, MLOps, React & Java, Data Science, Blockchain (Web3/Solidity/Solana), Symfony & React, Symfony & Vue, Symfony & Angular, Symfony & JavaScript & Next.js & TypeScript, Data Analysis, React & PHP, Data Engineering, AI Engineering, Data Annotation, DevOps, Svelte & Python, Svelte & Node, Svelte & TypeScript, Rust, Shopify & JavaScript, Vue & Nuxt, Python & Node, Angular & TypeScript, Ruby & Ruby on Rails, React Native & Ruby, React Native & Python, PHP & Laravel, .NET & C#, Java & Spring, Unreal Engine & C++, Python & LLM, Unity, Machine Learning Engineering â weâd be happy to connect and match you with a suitable project.
If your experience matches our requirements, be ready for the next steps:
- VideoAsk â watch a short video about our startup, up to 10 minutes
- Complete your profile on our website
- 30-minute screening call
- Technical interview
- Feedback
- Magic Box (we are looking for the best project for you).
We do not provide visa assistance, and our cooperation model does not include the benefits typically offered with direct hire.
P.S. We work with developers from 71+ countries in different regions: Europe, LATAM, the U.S (if you are an owner of W-9 ben form), Canada, Asia (Japan, Singapore, South Korea, Philippines, Indonesia), Oceania (Australia, New Zealand, Papua New Guinea), and the the UK. However, we have some exceptions.
At the moment, we donât have a legal basis to accept applicants from the following countries:
- European: Hungary, Iceland, Liechtenstein, Kosovo, Belarus, Russia, and Serbia.
- Latin America: Cuba and Nicaragua
- Most Asian countries and Africa.
We expand and shorten the list of exemptions regularly.
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Who We Are:
Horizen Labs is pioneering privacy-focused, zero-knowledge technology that powers a more secure and interconnected digital world. Founded in 2019, we're at the intersection of research, protocol development, and ecosystem growth, enabling scalable, verifiable solutions through platforms like zkVerify and Horizen. From high-impact projects like ApeChain to a specialized consulting arm in zero-knowledge ecosystems, we are a global team united in transforming the landscape of Web3 and digital trust. Join our team in New York, Milan, and remotely to help redefine what's possible in the decentralized world.
At Horizen Labs, our people are our greatest asset, and we are creating a culture of empowered individuals who are eager to bring their ideas to life. We believe diversity drives the innovation and engagement necessary to build a truly remarkable product. We operate on a hybrid model with a distributed global workforce who works in partnership with our satellite offices in New York City, NY and Milan, Italy. Are you ready to help us change the future with the next cutting-edge blockchain technology? Join us!
The Role
We are seeking a Developer Relations Engineer to grow and support Horizen's global developer ecosystem.
This role blends hands-on technical integration support, developer education, documentation ownership, and ecosystem evangelism. You will act as a direct support to developers building on Horizen, helping to ensure they have the clarity, tools, and support they need to successfully integrate privacy technologies and solutions and to deploy and scale their applications on the Horizen network.
The ideal candidate has experience as a blockchain application developer (EVM, Solidity, and related technologies) and is particularly experienced with a variety of pri
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We are a Web3-driven company building decentralized products and working with blockchain data to create transparent and data-informed solutions. We are looking for a Junior Data Analyst who is curious about blockchain, crypto, and decentralized ecosystems
Responsibilities
- Collect, clean, and analyze on-chain and off-chain data
- Work with blockchain datasets (transactions, wallets, smart contracts)
- Build dashboards to track key metrics (users, transactions, TVL, etc.)
- Identify trends in user behavior and protocol performance
- Support product, marketing, and token strategy teams with insights
- Write SQL queries and work with data pipelines
- Requirements
Education :Â Bachelorâs degree in Mathematics, Statistics, Economics, Computer Science, or a related field
Technical Skills:
- Basic knowledge of SQL
- Proficiency in Excel / Google Sheets
- Basic Python (pandas, numpy)
- Understanding of data analysis and statistics
- Familiarity with BI tools (Tableau, Power BI, or similar)
Web3 / Crypto (Preferred):
- Basic understanding of blockchain concepts (wallets, transactions, smart contracts)
- Interest in DeFi, NFTs, or crypto markets
- Experience with blockchain analytics tools (e.g., Dune, Nansen, Glassnode) is a plus
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Job Position: Blockchain Site Reliability Engineer
Location: Dallas, TX, USA (Remote Acceptable - USA Applicants Only)
Company: https://infstones.com/
Contact: recruiter-usa@infstones.com
About Company
InfStones is an advanced, enterprise-grade Platform as a Service (PaaS) blockchain infrastructure provider trusted by the top blockchain companies in the world. InfStonesâ AI-based infrastructure provides developers worldwide with a rugged, powerful node management platform alongside an easy-to-use API. With over 20,000 nodes supported on over 80 blockchains, InfStones gives developers all the control they need - reliability, speed, efficiency, security, and scalability - for cross-chain DeFi, NFT, GameFi, and decentralized application development. InfStones is trusted by the biggest blockchain companies in the world including Binance, CoinList, BitGo, OKX, Chainlink, Polygon, Harmony, and KuCoin, among a hundred other customers. InfStones is dedicated to developing the next evolution of a better world through limitless Web3 innovation.
To date, InfStones has raised over $110 million in capital and is backed by Softbank, GGV Capital, Susquehanna International Group (SIG), Dragonfly Capital, Qiming Venture Partners, Plug and Play, and many renowned institutional investors. InfStones is proud to offer medical, vision, dental, short-term and long-term disability insurance, 401(k) plan with company matching, FSA, and other benefits to all full-time employees, along with flexible paid time off, sick days, and holidays.
If you enjoy being on the cutting edge of technology, we encourage you to apply!
Job Description
As a Blockchain Site Reliability Engineer (SRE), you will be responsible for ensuring the reliability, availability, and performance of blockchain nodes and related infrastructure. Youâll monitor, troubleshoot, and resolve incidents in production environments, while also building automation tools to improve efficiency and reduce operational risks.
This role requires strong Linux system expertise, solid on-call and incident response experience, and the ability to work under pressure to quickly restore services. Youâll also collaborate with protocol engineers and open-source communities to ensure smooth upgrades and long-term system stability.
Key Responsibilities
1. Deploy, monitor, and maintain blockchain nodes across multiple networks.
2. Ensure system reliability and uptime by actively managing incidents, troubleshooting, and resolving node failures.
3. Develop automation and maintenance tools (using Golang, Shell, Python, etc.) to streamline operations.
4. Build and maintain monitoring, alerting, and logging systems to proactively detect and address issues.
5. Collaborate with engineering teams and solution architects on reliability improvements and incident prevention.
6. Participate in the on-call rotation to provide timely incident response and resolution.
Qualifications
1. Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience).
2. Strong Linux system administration skills (networking, performance tuning, debugging, security).
3. Expertise with at least one mainstream programming language such as Golang, Python, Javascript, Rust, etc., and have good programming skills and programming habits.
4. Experience with monitoring/alerting tools (e.g., Prometheus, Grafana, ELK, etc.).
5. Strong problem-solving skills and the ability to respond quickly under pressure.
6. Solid technical documentation skills.
Prefers (Nice to have)
1. Hands-on experience with blockchain node deployment, maintenance, and upgrades.
2. Familiarity with mainstream blockchain protocols (e.g., Ethereum, Cosmos, Polkadot, Solana).
3. Experience with containerization/orchestration tools (Docker, Kubernetes).
4. Knowledge of smart contracts, Web3 RPC, or Solidity is a plus.
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We are a leading trading platform that is expanding to the four corners of the globe. Our top-rated products have won prestigious industry awards for their cutting-edge technology and seamless client experience. We deliver only the best, so we are always in search of the best people to join our ever-growing talent team.
We are currently growing our Backend Team and looking for great Engineers with an interest in trading to join us! Our Engineering team plays a pivotal role in ensuring the robustness, speed, and security of our product. Dedicated to enhancing performance, providing a best-in-class user experience, ensuring compliance, and safeguarding data, the team's efforts directly impact our ability to offer clients a seamless and secure trading journey.
We believe great engineering talent not only delivers excellent code, but also lives our values. We are looking for someone who is eager to go fast, willing to innovate and grow, who knows how to listen, respect and support, strives to exceed client expectations, and takes full ownership to achieve real results.
\n- Design and build scalable, low-latency, and high-performance backend services
- Develop distributed and asynchronous systems ensuring reliability and fault tolerance
- Optimise performance across JVM, databases, caching, and networking layers
- Apply security best practices in handling client PII and financial transactions
- Use event-driven architectures and modern messaging solutions (e.g. Kafka)
- Collaborate with cross-functional teams to align architecture with business needs
- Maintain high code quality through testing, code reviews, and CI/CD practices
- Leverage AI tools to accelerate development, testing, and delivery
- Design and build backend systems for custody, wallet services, staking, and trading.
- Implement secure key-management and transaction-signing workflows (multisig, MPC, HSM).
- Integrate with blockchain nodes, custody providers, CEX/DEX APIs, and staking protocols.
- Support the integration of third-party staking service providers and manage the associated workflows, including delegation, monitoring, and reward distribution.
- Proven experience in FinTech, Banking, or related financial domains
- Strong understanding of distributed systems architecture and the clientâserver model
- Ability to design and maintain scalable, low-latency, high-performance systems
- Solid knowledge of concurrency, multithreading, and asynchronous programming
- Awareness of security best practices in handling PII and financial transactions
- Basic understanding of network protocols and troubleshooting
- Experience working in a product-led fast-paced environment as a team player
- Strong understanding of blockchain fundamentals: consensus, mempool, finality, gas mechanics, security considerations, and transaction lifecycles.
- Hands-on experience with major chains (e.g., Ethereum, Bitcoin, Solana, Cosmos, Polygon).
- Deep experience with wallet systems, key management, multisig/threshold signatures, hot/cold wallet architecture, and secure signing pipelines.
- Experience with custody platforms (Fireblocks, BitGo, Ledger Enterprise, Copper) or building custody-grade internal wallet infrastructure.
- Practical experience with staking/validator operations, including rewards, uptime, monitoring, and slashing mitigation.
- Java and Spring: Advanced knowledge of Java Core technologies and the Spring framework
- Data Mastery: Proficiency with SQL databases, ensuring optimal performance, structure, and replication
- Concurrency & Async programming: advanced understanding and hands-on experience in asynchronous programming methods.
- Events streaming: Understanding of the event driven architecture (Kafka or similar solutions).
- Operational Proficiency: Understanding and hands-on experience with Ops activities, Kubernetes, pipelines, Fit Flow and modern CI/CD patterns and strategies
- AI tools: ability to effectively use AI technologies in engineering work e.g. applying AI for coding assistance, debugging, testing, documentation, and optimisation of workflows
- Communication: Effective communication skills, especially with teams responsible for security, operations and product
- Analytical thinking: Ability to tackle and investigate complicated problems and convert it to the task
- Adaptability to Rapid Changes: Demonstrated capability to adjust to quick technological shifts and evolving business requirements
- Ownership and Accountability: Readiness to take ownership of tasks, issues as well as demonstrate accountability of the results and outcome
- Performance: Knowledge of JVM performance optimization practices
- No-SQL: Experience working with no-SQL databases is a big plus
- In-memory storage: Strong knowledge of in-memory cache solutions
- Familiarity with double-entry accounting
- Understanding of DeFi protocols, liquidity mechanisms, yield strategies, or governance systems.
- Exposure to MEV concepts, transaction simulation, or on-chain execution optimization.
- Competitive salary and annual performance-based bonus
- Generous annual leave policy
- Health insurance and pension fund, with additional benefits depending on location
- Hybrid working model (3 days from office) or fully remote across the country of employment
- Workation policy (30 days remote from anywhere in the world)
- Two additional paid days per year dedicated to volunteering
Be a key player at the forefront of the digital assets movement, propelling your career to new heights! Join a dynamic and rapidly expanding company that values and rewards talent, initiative, and creativity. Work alongside one of the most brilliant teams in the industry.
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Who We Are:
Horizen Labs is pioneering privacy-focused, zero-knowledge technology that powers a more secure and interconnected digital world. Founded in 2019, we're at the intersection of research, protocol development, and ecosystem growth, enabling scalable, verifiable solutions through platforms like zkVerify and Horizen. From high-impact projects like ApeChain to a specialized consulting arm in zero-knowledge ecosystems, we are a global team united in transforming the landscape of Web3 and digital trust. Join our team in New York, Milan, and remotely to help redefine what's possible in the decentralized world.
At Horizen Labs, our people are our greatest asset, and we are creating a culture of empowered individuals who are eager to bring their ideas to life. We believe diversity drives the innovation and engagement necessary to build a truly remarkable product. We operate on a hybrid model with a distributed global workforce who works in partnership with our satellite offices in New York City, NY and Milan, Italy. Are you ready to help us change the future with the next cutting-edge blockchain technology? Join us!
The Role
We are seeking a Developer Relations Engineer to grow and support Horizen's global developer ecosystem.
This role blends hands-on technical integration support, developer education, documentation ownership, and ecosystem evangelism. You will act as a direct support to developers building on Horizen, helping to ensure they have the clarity, tools, and support they need to successfully integrate privacy technologies and solutions and to deploy and scale their applications on the Horizen network.
The ideal candidate has experience as a blockchain application developer (EVM, Solidity, and related technologies) and is particularly experienced with a variety of pri
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About Aztec
At Aztec, our goal is to add privacy to Ethereum.
In the current public blockchain paradigm, users and entities unknowingly broadcast data in the public, compromising privacy and security to get trustlessness.
Not only are unencrypted blockchains inherently privacy-exposing, they require significant redundancy to compute and verify the legitimacy of transactions.
Implementing scalable encryption in a public blockchain paradigm requires cutting-edge math and engineering. Thankfully, our team of scientists and engineers invented Plonk, the industry-standard zkSNARK, and Noir, the universal language of zero knowledge.
Now, weâre building a first of its kind Layer 2 with private smart contracts. This requires new cryptographic primitives, a zero-knowledge DSL for writing contracts, a privacy-friendly execution environment, a carefully designed set of circuits that prove the validity of the chain to L1, a decentralized block-building and proving mechanism, and a top-tier user and developer experience. And itâs now time to bring it to market.
Weâve raised $125 million from industry-leading investors including a16z crypto, Paradigm, Variant, Consensys, and a_capital, and weâre growing quickly.
Role Focus:
Weâre looking for an DevOps Engineering Lead who thrives in a fast-paced environment and is excited by the prospect of growing a team with the mandate to 10x our current development velocity while preserving quality and security.
Key Responsibilities:
- Own the internal platforms critical to our ability to develop, test, deploy, and monitor our code
- Design and implement IaC, CI/CD pipelines, and monitoring solutions
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About MoonPay
Hi, weâre MoonPay. Weâre here to onboard the world to the decentralized economy by making digital money move as universally and effortlessly as the internet.
Why?
Because crypto, stablecoins and blockchain arenât just technologies. Theyâre tools for global financial empowerment. They give people and businesses more control over their money, their digital assets, and their future, opening access to legacy financial systems that have been out of reach for many.
What we do
MoonPay is a unified payments platform for digital currency. We make it easy for anyone, anywhere, to buy, sell, swap and pay in digital currencies as easy as sending an email. That simplicity is intentional, our focus is reducing complexity so people can participate confidently, without needing to be crypto experts. We power the entire flow between fiat and crypto end to end, with compliance, identity checks, fraud prevention, and settlement all built in. This end-to-end approach reflects how we work internally: with accountability, rigor, and trust built into everything we ship.
Proven at scale
Trusted by over 30 million customers and over 500 ecosystem partners, our secure, enterprise-grade platform is driving mainstream crypto adoption worldwide. Behind those numbers are millions of real people and organizations relying on MoonPay every day.
We collaborate with innovative brands and projects to build secure, scalable solutions for a blockchain-powered future. This is an opportunity to help shape systems, not just scale them. And weâre committed to doing it right. Fully licensed in the U.S. and regulated across the UK, EU, Canada, and Australia, because trust and compliance are non-negotiable.
But weâre just getting started. Weâve launched a consumer app that makes crypto accessible, intuitive, and usable for everyone, and itâs growing fast. Weâre iterating every day to make it the best it can be.
If you believe financial freedom should be for everyone. If you believe in building a fairer, more open financial system - we want you with us. To build systems that benefit all, we need contributions from all, regardless of background.
Come build the future of payments and the decentralized economy with MoonPay. Letâs make financial freedom and autonomy the new normal.
\nAs the Product Security Manager, you will play a pivotal role in securing the infrastructure that powers the Web3 economy. You will lead and scale two high-impact teams: Application Security and Vulnerability Management & Automation.
Your mission is to ensure that security is woven into the fabric of our product development lifecycle, empowering our engineers to build fast without compromising on safety. You will be a mentor, a strategist, and a leader helping MoonPay maintain its reputation as the most trusted brand in the space.
You are a natural leader able to influence different parts of the business with security initiatives and negotiate the best security solutions for new challenges and unexplored territories
-
Lead and Mentor: Oversee the day-to-day operations and career development of the Application Security and Vulnerability Management & Automation teams.
-
Security Strategy: Define the roadmap for product security, focusing on scalable automation and proactive defense mechanisms.
-
Vulnerability Management: Drive the end-to-end lifecycle of vulnerability discovery, triaging, and remediation across our entire ecosystem.
-
Application Security: Improve security tooling (SAST, DAST, SCA) into CI/CD pipelines and lead threat modeling sessions and penetration testing for new features.
-
Cross-Functional Collaboration: Partner with Engineering and Product leaders and help and influence with security topics new business units and acquisitions to prioritize security debt and promote a culture of Security by Design.
-
Incident Response: Lead high-priority security incidents and investigations and improve processes, manage team rotas and escalations.
-
Regulatory and Compliance: Support organisation maintain or acquire new critical certifications such as SOC2, PCI, CIS TOP 18, ISO27001.
-
Experienced Leader: You have a proven track record of managing technical security teams in high-growth, cloud-native environments.
-
Adaptive in Ambiguity: As our team moves at a very fast pace, you must be comfortable navigating ambiguity and resolving unclear or evolving topics effectively.
-
Technical Depth: You possess a strong background in application security, penetration testing and software engineering.
-
Automation Mindset: You believe that manual processes are bugs and have experience building or implementing automated security scanning and reporting tools.
-
Strategic Thinker: You can balance immediate tactical needs with long-term security goals.
-
Web3 Enthusiast: You are curious about (or experienced in) blockchain technology, smart contract security, and the unique challenges of the Web3 landscape.
The Product Security team operates within a cutting-edge technological environment and focuses on several critical areas to ensure the highest level of security for our platform and products.
-
Modern Tech Stack and Infrastructure: We leverage an advanced cloud infrastructure designed for high scalability and resilience. Our development and deployment processes are built upon robust CI/CD environments, necessitating security integration at every stage, from code commit to production deployment. This involves securing containers, serverless components, and sophisticated cloud-native networking configurations.
-
Scalable Automation Frameworks: To effectively manage security risks across a rapidly expanding codebase and infrastructure, we utilize and develop both custom-built and industry-standard tools for vulnerability management. This includes automated security testing, dependency scanning, misconfiguration detection, and streamlined vulnerability triage and remediation workflows, all designed to operate effectively at scale.
-
Securing the Next Generation of Features: A major strategic focus is on securing our next generation of AI-enabled features. This involves proactive security measures related to Large Language Models (LLMs) and other AI components. Our goal is to ensure data privacy and integrity within all model interactions and maintain compliance with responsible AI principles.
-
Diverse and Proactive Application Security Services: We offer a full spectrum of proactive security guidance and services tailored to the needs of various engineering and business lines. This includes comprehensive penetration testing (both internal and external), in-depth threat modeling during the design phase of new features, security architecture reviews, and the development of secure coding standards. These services are provided across a wide variety of applications and business lines, from core financial services to new user-facing products.
-
Continuous Improvement and Security Posture Enhancement: We maintain a strong commitment to the principle of continuous improvement. This involves constantly exploring and identifying opportunities to level up the security posture across the entire organization. This includes enhancing tooling, refining processes, developing and delivering security training to engineering teams, and driving large-scale security initiatives.
-
Secure Development Lifecycle Guidance: A core responsibility is to guide engineering teams on adopting best practices for the secure development and deployment of their applications. This encompasses promoting a security-first culture, embedding security requirements into the SDLC, providing timely consultation on security issues, and helping teams implement security controls effectively.
BLOCK Values
Weâre looking for people who live our core values, those who strive for excellence and want to leave a lasting legacy on the global financial system. Our values:
B - Be Hungry
L - Level Up
O - Own It
C - Crypto Curious
K - Kaizen
Research has shown that women are less likely than men to apply for this role if they do not have experience in 100% of these areas. Please know that this list is indicative, and that we would still love to hear from you even if you feel that you are only a 75% match. Skills can be learnt, diversity cannot.
Benefits & Perks ð¡
ð°Competitive salary package
ð¤ Equity package: We believe financial freedom starts with our employees, so all employees have ownership at MoonPay
ð Pay for performance equity bonus: Those who drive outsized outcomes receive outsized rewards
ð Moonshot award. We honor exceptional impact - 10 employees twice a year, each earning a $250,000 equity grant.
ð Unlimited holidays: We give you the autonomy to choose when to work (and when to switch off)
ð Hybrid working schedule: Work fully remotely or your nearest Moonbase, the choice is yours
𩺠Private Healthcare benefits: To protect you and your loved ones
ð¼ Enhanced parental leave: So you can spend more time with your loved ones without a second thought
ð Annual training budget: We support your training journey every step of the way
ðª Home office setup allowance: Create the home office of your dreams
ð Remote working allowance: Those working fully remotely get a little extra for utilities
ð° Monthly budget to spend on our products and zero fee crypto transactions: Cultivate your inner DEGEN
ð° Employee referral programme: Great people know great people, refer them to receive 10K in USDC
âï¸ Regular remote company offsites: Meet your colleagues regularly for high impact in person sessions and hackathons
ð Working in a disruptive and fast-growing company where excellence is rewarded
Commitment To Diversity
At MoonPay we believe that every voice matters. We strive to create a mindful and respectful environment where everyone can bring their authentic self to work, and experience a culture that is free of harassment, racism, and discrimination. Thatâs why we are committed to diversity and inclusion in the workplace and are a proud equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including, but not limited to, hiring, recruiting, promotion, termination, layoff, and leave of absence.
MoonPay is also committed to providing reasonable accommodations in our job application procedures for qualified individuals with disabilities. Please inform our Talent Team if you need any assistance completing any forms or to otherwise participate in the application process.
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Gauntlet leads the field in quantitative research and optimization of DeFi economics. We manage market risk, optimize growth, and ensure economic safety for protocols facilitating most spot trading, borrowing, and lending activity across all of DeFi, protecting and optimizing the largest protocols and networks in the industry. We build institutional-grade vaults for decentralized finance, delivering risk-adjusted onchain yields for capital at scale. Designed by the most vigilant, quantitative minds in crypto and informed by years of research.
As of November 2025, Gauntlet manages over $2B in vault TVL, and optimizes risk and incentives covering over $42 billion in customer TVL. We continually publish cutting-edge research that informs our risk models, alerts, and analysis, and is among the most cited institutions â including academic institutions â in terms of peer-reviewed papers addressing DeFi as a subject. Weâre a Series B company with around 75 employees, operating remote-first with a home base in New York City.
As a company, we build institutional-grade vaults that deliver risk-adjusted DeFi yields at scale, powered by automated risk models and off-chain intelligence. Gauntlet curates strategies across Morpho, Drift, Symbiotic, Aera and more, with >$2B in vault TVL and a growing suite of Prime, Core and Frontier vaults.
Our mission is to drive adoption and understanding of the financial systems of the future. We operate with a traderâs discipline and a risk managerâs skepticism: size carefully, stress routinely, unwind decisively. The label equals the package equals the contents. No surprises, just predictable, reliable vaults.
Join our derivatives trading team and work on the key infrastructure that powers our product offering as well as trading systems. Work with a team with decades of experience in tech and finance to build the backbone of our high-performance derivatives trading strategies. You'll work close to trading, own critical infrastructure end-to-end, and ship systems that manage real capital in live crypto markets.
\n- Design, implement, and operate scalable distributed systems in production.
- Build low-latency and streaming systems for real-time and near real-time workloads.
- Develop data pipelines and ETL workflows for ingesting, transforming, and serving data.
- Build and maintain application services and APIs used by internal and external systems.
- Implement Web3 protocol integrations, including smart contract interactions and on-chain data ingestion via RPCs, logs, and indexers.
- Apply SRE principles to improve reliability, observability, and operational correctness.
- Participate in incident response, debugging production issues and driving root-cause fixes.
- Contribute to system design and code reviews, maintaining high engineering standards.
- Leverage AI-assisted development tools to improve productivity, code quality, and system understanding, while exercising strong engineering judgment.
- Write and maintain technical documentation for systems and workflows.
- 6+ years of professional software engineering experience.
- Strong proficiency in Python, Rust, and/or JavaScript/TypeScript.
- Experience building low-latency or high-throughput systems.
- Experience designing and operating scalable distributed systems.
- Hands-on experience with Web3 systems, including interacting with smart contracts and consuming on-chain data.
- Experience with streaming or messaging systems (e.g. Kafka, Pub/Sub).
- Experience with data storage systems (e.g. Postgres, ClickHouse).
- Experience deploying and operating software in cloud environments (e.g. GCP).
- Familiarity with containerized systems (Docker, Kubernetes).
- Understanding of SRE practices, including monitoring, alerting, and incident response.
- Strong understanding of security fundamentals (authentication, authorization, secrets management).
- Previous experience at financial or trading firms.
- Smart contract development experience (e.g. Solidity).
- Experience with workflow orchestration (e.g. Dagster).
- Experience operating systems with strict reliability or performance requirements.
- Exposure to infrastructure as code or CI/CD systems.
- Remote first - work from anywhere in the US & CAN!
- Competitive packages with the added opportunity for incentive-based compensation
- Regular in-person company retreats and cross-country "office visit" perk
- 100% paid medical, dental and vision premiums for employees
- Laptop provided
- $1,000 WFH stipend upon joining
- $100 per month reimbursement for fitness-related expenses
- Monthly reimbursement for home internet, phone, and cellular data
- Unlimited vacation policy
- 100% paid parental leave of 12 weeks
- Fertility benefits
Please note at this time our hiring is reserved for potential employees who are able to work within the contiguous United States and Canada. Should you need alternative accommodations, please note that in your application.
The national pay range for this role is $165,000 - $205,000 plus additional On Target Earnings potential by level and equity in the company. Our salary ranges are based on paying competitively for a company of our size and industry, and are one part of many compensation, benefits and other reward opportunities we provide. Individual pay rate decisions are based on a number of factors, including qualifications for the role, experience level, skill set, and balancing internal equity relative to peers at the company.
#LI-Remote
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Job Position: Senior Application Engineer
Location: Dallas, TX, USA (Remote Acceptable - USA Applicants Only)
Company: https://infstones.com/
Contact: recruiter-usa@infstones.com
About Company
InfStones is an advanced, enterprise-grade Platform as a Service (PaaS) blockchain infrastructure provider trusted by the top blockchain companies in the world. InfStonesâ AI-based infrastructure provides developers worldwide with a rugged, powerful node management platform alongside an easy-to-use API. With over 20,000 nodes supported on over 80 blockchains, InfStones gives developers all the control they need - reliability, speed, efficiency, security, and scalability - for cross-chain DeFi, NFT, GameFi, and decentralized application development. InfStones is trusted by the biggest blockchain companies in the world including Binance, CoinList, BitGo, OKX, Chainlink, Polygon, Harmony, and KuCoin, among a hundred other customers. InfStones is dedicated to developing the next evolution of a better world through limitless Web3 innovation.
To date, InfStones has raised over $110 million in capital and is backed by Softbank, GGV Capital, Susquehanna International Group (SIG), Dragonfly Capital, Qiming Venture Partners, Plug and Play, and many renowned institutional investors. InfStones is proud to offer medical, vision, dental, short-term and long-term disability insurance, 401(k) plan with company matching, FSA, and other benefits to all full-time employees, along with flexible paid time off, sick days, and holidays.
If you enjoy being on the cutting edge of technology, we encourage you to apply!
Job Description
As a Senior Application Engineer, you will lead the development, testing, and maintenance of high-quality software applications and systems, collaborating closely with open-source communities to integrate the latest advancements in blockchain infrastructure. You will tackle complex technical challenges, working alongside product managers and ecosystem solution architects to convert unique requirements into impactful products. Additionally, youâll mentor and guide junior engineers, providing technical leadership and fostering a collaborative environment to ensure team success. In this role, youâll write clean, scalable, and efficient code while upholding best practices, conducting code reviews, and ensuring all technical documentation is thorough and accessible.
This role is not only highly technical but also strategicâyou will act as a leader within the engineering team, helping shape direction, encouraging innovation, and cultivating a culture of accountability and excellence. Your ability to inspire and empower others will be critical to driving both individual growth and team performance.
Key Responsibilities
1. Lead the design, implementation, and maintenance of scalable applications and backend services.
2. Mentor and provide guidance to junior engineers, supporting their professional growth and technical skills development.
3. Conduct code reviews and ensure adherence to coding standards and best practices.
4. Drive technical innovation and identify opportunities to improve processes, tools, and frameworks for the team.
5. Offer technical leadership in project planning and decision-making, helping to set the strategic direction for key initiatives.
6. Collaborate with product managers, architects, and other stakeholders to define technical solutions.
7. Improve engineering processes, tools, and frameworks to enhance productivity and system reliability.
8. Contribute to technical documentation, ensuring clarity and accessibility.
9. Serve as a role model by promoting collaboration, knowledge sharing, and accountability across the team.
Qualifications
1. Bachelorâs degree in Computer Science, Engineering, or a related field with 5+ years of relevant experience, or a Masterâs degree with 3+ years of relevant experience.
2. Proficiency in at least one mainstream programming language (e.g., Golang, Python, Javascript) with demonstrated good programming skills and habits.
3. Experience working with databases (SQL/NoSQL) and cloud platforms (e.g., AWS, Azure).
4. Solid understanding of data structures, algorithms, and software design principles.
5. Strong technical documentation writing skills, evidenced by the ability to produce clear, comprehensive documentation.
6. Strong experience with containerization and microservices (Docker, Kubernetes).
7. Demonstrated leadership abilities, including mentoring, coaching, and leading technical initiatives within a team environment.
Prefers (Nice to have)
1. Knowledge of microservices architecture and containerization (Docker, Kubernetes).
2. Experience with DevOps tools and CI/CD pipelines.
3. Hands-on experience with blockchain protocols, smart contracts, or Web3 development.
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Who are we?
FalconX is a pioneering team of operators, investors, and builders committed to revolutionizing institutional access to the crypto markets. Operating at the intersection of traditional finance and â¨cutting-edge technology, FalconX addresses the industry's foremost challenges: Navigating the digital asset market can be complex and fragmented, with limited products and services that support trading strategies, structures, and liquidity found in conventional financial markets. As a comprehensive solution for all digital asset strategies from start to scale, FalconX operates as the connective tissue empowering clients with seamless navigation through the ever-â¨evolving cryptocurrency landscape.
Location: Remote / Hybrid
Role
FalconX is seeking a Product Security Engineer to focus on DeFi product and application security. You will partner with engineering and product teams to review proposed strategies, assess smart contracts for security risks, and guide secure design decisions.
This role reports into the FalconX Security Team, and in addition to DeFi-focused work, youâll contribute to broader application security initiatives such as data security, identity and access management (IAM), secure development lifecycle (SDLC), and code review practices.
Responsibilities
- Review DeFi strategies, protocol designs, and smart contracts for security risks and failure modes.
- Evaluate markets-related activities (e.g., liquidity provision, governance, cross-protocol integrations) for systemic vulnerabilities.
- Provide secure design input for new features and applications.
- Identify and mitigate threats including reentrancy, oracle manipulation, flash loan exploits, MEV, and governance exploits.
- Partner with the security team to advance...
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Obol builds mission-critical technologies that help keep Ethereum decentralized and secure. Already securing billions of dollars in staked ETH, Obol Distributed Validators are the end game of Ethereum staking, delivering higher uptime, lower risk, and stronger performance than legacy staking setups.
Obolâs middleware, Charon, which powers Distributed Validators (DVs), enables Ethereum validators to be run across multiple operators and machines. With features like threshold signing, distributed key generation, and no runtime key access, DVs deliver the most resilient, highest-performing validators on Ethereum â the end game of staking ETH.
The Obol Collective, powered by the OBOL Token, is home to the worldâs largest decentralized operator ecosystem â a network of financial institutions, staking protocols, client teams, software tools, community projects, and professional node operators. This includes names like Lido, EtherFi, Nethermind, Blockdaemon, Stakewise, Chorus One, DappNode, and many more.
Mission of the role
A Technical Customer Success Manager guides customers through the adoption of Distributed Validators, through to the ongoing oversight of their stakeâs performance and security.
Rather than functioning as customer support agents, CSMs form a direct relationship with customers and provide them with timely value propositions, products, and features, to get the most benefits and rewards from adopting Obol technologies to improve their staking setups.
In this case, the mission of the role is to manage relationships between ETH Capital Allocators and their staking operators.
This helps customers grow and achieve goals while simultaneously strengthening their relationship with the business.
\n- Serve as the primary point of contact and trusted advisor for key technical stakeholders, coordinating internal resources to ensure their success with Obol.
- Lead the full node operator journey post-partnership, including onboarding, deployment optimisation, and ongoing distributed validator management.
- Educate customers on how to effectively use Obolâs software, providing technical guidance and reference implementations, answering questions (including in Discord), and ensuring optimal staking setup and performance.
- Understand customer needs deeply and communicate recurring feedback, behaviors, and requirements to internal teams (product, marketing, business, legal).
- Maintain and improve documentation to support customer use cases and technical needs.
- Work with customers to evaluate their infrastructure costs and develop cost saving models for adopting Obol.
- Coordinate customer upgrades and recommend performance optimizations.
- Work with Business & engineering teams to align on priorities & roll out new features. Manage customer success function via monthly cluster performance reviews & feedback collections.
- Experience as a DevOps Engineer or Software Developer
- Practical knowledge of Kubernetes, Helm, Grafana, Ansible, Terraform, Docker, and Unix
- Experience deploying software to both cloud environments and bare-metal infrastructure
- Web3 or staking experience is a plus
- Comfortable in customer-facing situations
- Located within UTC-5 to UTC+3 time zone
- Programming skills and developer experience
- Understanding of the Ethereum Virtual Machine and Solidity
- Running servers at home
- Competitive compensation
- Flexible hours
- Generous paid time off (According to company policy)
- Equipment Budget
- Annual offsite to meet the team
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Are you a talented Senior Developer looking for a remote job that lets you show your skills and get decent compensation? Look no further than Lemon.io â the marketplace that connects you with hand-picked startups in the US and Europe.
What we offer:
- The rate depends on your seniority level, skills and experience. We've already paid out over $11M to our engineers.
- No more hunting for clients or negotiating rates â let us handle the business side of things so you can focus on what you do best.
- We'll manually find the best project for you according to your skills and preferences.
- Choose a schedule that works best for you. Itâs possible to communicate async or minimally overlap within team working hours.
- We respect your seniority so you can expect no micromanagement or screen trackers.
- Communicate directly with the clients. Most of them have technical backgrounds. Sounds good, yeah?
- We will support you from the time you submit the application throughout all cooperation stages.
- Most of our projects involve working in a fast-paced startup environment. We hope you like it as much as we do.
- Through our community, we will connect you with the best developers from more than 71 countries.
We have several open positions for Full-Stack React.js Developers - please see the details below. We also have some backend positions; the full list is included below as well.
Requirements for the Senior React & Python Position:
- 4+ years of software development experience
Commercial experience:
- React.js 3+ years and Python 3+ years OR React.js 2+ years and Python 5+ years OR React.js 5+ years and Python 2+ years
- Experience with AWS, GCP, or Azure is required
Requirements for the Senior Python Position:
- 5+ years of software development experience
- 5+ years of commercial experience with Python
- 3+ years of commercial experience with Flask
Requirements for the Senior Golang & React Position:
- 4+ years of software development experience
- React.js 3+ years and Golang 3+ years OR React.js 2+ years and Golang 5+ years OR React.js 5+ years and Golang 2+ years
Requirements for the Senior Golang Position:
- 5+ years of software development experience
- 5+ years of commercial experience with Golang
Requirements for the Senior Node & React Position:
- 5+ years of software development experience
Commercial experience:
- React.js: 3+ years, Node.js: 5+ years, and Next.js: 2+ years
OR
React.js: 5+ years, Node.js: 3+ years, and Next.js: 2+ years
- Expertise in TypeScript, Supabase and AWS is a must.
Other requirements:
- Strong technical skills: as a Senior Developer, you are expected to be able to create projects from scratch and have a deep understanding of application architecture.
- Clear and effective communication in English â advanced ability to discuss business tasks, justify decisions, and communicate issues. Good self-presentation is also essential for upcoming client calls.
- Strong self-organizational skills â ability to work full-time remotely with no supervision.
- Reliability â we want to trust you and expect that you wonât let us and the client down.
- Adaptability and Flexibility â the ability to onboard the project promptly after accepting it and start delivering results quickly.
Sounds good for you? Apply now and join the Lemon.io community!
NOT YOUR TECH STACK?
We have multiple projects available for Senior Developers. If you have 4+ years of commercial software development experience and are proficient in any of the following areas: React & Ruby, PHP & Angular, PHP & Vue, Vue & Node.js, React & .NET, Android & iOS, Angular & .NET, Angular & Node.js, Vue & .NET, Python & Vue, MLOps, React & Java, Data Science, Blockchain (Web3/Solidity/Solana), Symfony & React, Symfony & Vue, Symfony & Angular, Symfony & JavaScript & Next.js & TypeScript, Data Analysis, React & PHP, Data Engineering, AI Engineering, Data Annotation, DevOps, Svelte & Python, Svelte & Node, Svelte & TypeScript, Rust, Shopify & JavaScript, Vue & Nuxt, Python & Node, Angular & TypeScript, Ruby & Ruby on Rails, React Native & Ruby, React Native & Python, PHP & Laravel, .NET & C#, Java & Spring, Unreal Engine & C++, Python & LLM, Unity, Machine Learning Engineering â weâd be happy to connect and match you with a suitable project.
If your experience matches our requirements, be ready for the next steps:
- VideoAsk â watch a short video about our startup, up to 10 minutes
- Complete your profile on our website
- 30-minute screening call
- Technical interview
- Feedback
- Magic Box (we are looking for the best project for you).
We do not provide visa assistance, and our cooperation model does not include the benefits typically offered with direct hire.
P.S. We work with developers from 71+ countries in different regions: Europe, LATAM, the U.S (if you are an owner of W-9 ben form), Canada, Asia (Japan, Singapore, South Korea, Philippines, Indonesia), Oceania (Australia, New Zealand, Papua New Guinea), and the the UK. However, we have some exceptions.
At the moment, we donât have a legal basis to accept applicants from the following countries:
- European: Hungary, Iceland, Liechtenstein, Kosovo, Belarus, Russia, and Serbia.
- Latin America: Cuba and Nicaragua
- Most Asian countries and Africa.
We expand and shorten the list of exemptions regularly.
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About the Role
Shape the future of Web3 by building fast, high-quality frontend applications. As a key part of our team, youâll design and develop core features to create a smooth and responsive user experience. Youâll work closely with product, design, and blockchain teams to bring ideas to life from start to finish.
Core Responsibilities
Architect, develop, and maintain high-performance, responsive web applications using modern frontend technologies
Collaborate closely with product, design, and blockchain teams to deliver exceptional user experiences
Build pixel-perfect UI components from Figma mockups and design assets
Debug and troubleshoot issues across the full web stack
Qualifications
Bachelorâs in Computer Science or related field, or equivalent experience
3+ years in frontend development, with 1+ years in Web3/DeFi
Expertise in JavaScript, TypeScript, React ecosystem
Solid understanding of web performance optimization and best practices
Experience with Web3.js, Ethers.js, and an understanding of Web3 principles (wallets, smart contracts)
Soft Skills:
Basic English verbal and written communication skills are required
Strong collaboration abilities in a remote, cross-functional team
Ownership mindset - âyou build it, you run itâ
Problem-solving skills with attention to detail
Quick learner in a fast-paced environment
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Sobre trabajos de Solidity
Remote jobs for Solidity developers. Smart contracts on Ethereum and other EVM blockchains. En RemoteJobs.lat conectamos a profesionales de Latinoamerica con empresas que ofrecen trabajo 100% remoto. Todas nuestras ofertas permiten trabajar desde cualquier ciudad, con pagos en dolares o moneda internacional.
Rango salarial
$5,000 - $18,000 USD/mes
Posiciones abiertas
22
Ubicacion
100% Remoto LATAM
Solidity salary ranges by seniority
Estimated ranges in USD/month for remote contracts with international companies. Vary by company, complementary stack and client location.
| Level | Years of experience | Range USD/month |
|---|---|---|
| Junior | 0-2 | $5,000 - $8,250 |
| Mid-level | 2-4 | $7,600 - $12,150 |
| Senior | 4-7 | $11,500 - $16,050 |
| Lead/Staff | 7+ | $14,750 - $18,000 |
Companies hiring remote Solidity from LATAM
Some companies that have historically hired Solidity profiles to work 100% remotely from Latin America: