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Full-Stack Developer Java/Python/React

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Full-Stack Developer Java/Python/React

Bertoni Solutions

Bertoni Solutions

Salary: Gross salary $4000 - 5600
Type: Full time

Tags: JavaScript Java Python Front-end

Bertoni Solutions is a multinational technology consulting firm founded in 2016, combining Swiss organizational rigor with the talent and passion of Latin American professionals. Our distributed development teams operate 100% remotely across Latin America, supporting clients worldwide by delivering cutting-edge software solutions. We specialize in software consulting and digital transformation projects, focusing on creating impactful, innovative technology tailored to the evolving needs of businesses. Our current project involves working with a fintech client based in the United States, aiming to develop robust, scalable, and high-quality software systems that leverage modern full-stack technologies and AI/ML capabilities.

This job offer is available on Get on Board.

Key Responsibilities

As a Fullstack Developer, you will take end-to-end ownership of feature development across the full technology stack, leveraging your expertise in Java, Python, and React.
  • Design, develop, and maintain backend services using Java, Spring Boot, and Hibernate, ensuring high performance and scalability.
  • Create dynamic and responsive frontend interfaces with React, implementing best practices in UI/UX development.
  • Collaborate closely with a small, skilled, and diverse team of internal and offshore developers to deliver high-quality code and meet project milestones.
  • Integrate and design RESTful APIs to enable smooth communication between frontend and backend systems.
  • Utilize Python for predictive analytics and AI/ML tasks, including data manipulation leveraging libraries such as Pandas, and work with AI/ML frameworks as applicable.
  • Provide technical guidance, conduct code reviews, and contribute to continuous improvement practices within the team.
  • Communicate effectively with team members and stakeholders, translating complex technical concepts to both technical and non-technical audiences.
  • Address and resolve technical challenges proactively, applying innovative solutions aligned with project goals.

Candidate Profile and Required Skills

We are seeking a motivated Fullstack Developer with 3 to 5 years of professional experience ideally in fintech or related domains. The candidate must be bilingual, proficient in Spanish (native) and English at B2+ or advanced level. Proven experience with full-stack development technologies and a passion for building scalable software solutions are essential.
  • Technical Expertise: Strong command of Java with hands-on experience in Spring Boot and Hibernate frameworks. Skilled in React for frontend development of modern web applications.
  • Backend and API Development: Knowledge of SQL databases and RESTful API design principles.
  • Python Proficiency: Competent in Python programming with understanding of data structures, control flow, object-oriented programming, and data manipulation using libraries like Pandas. Experience applying Python for predictive analytics and machine learning tasks is mandatory.
  • Soft Skills: Excellent communication skills both written and verbal. Ability to work collaboratively within cross-cultural, remote teams. Strong analytical and problem-solving aptitude. Adaptability to fast-paced, dynamic startup environments. Passion for technology and fintech innovation.
Bonus qualifications include familiarity with machine learning frameworks such as TensorFlow or PyTorch, cloud platform experience (AWS), testing frameworks like JUnit and Mockito, and CI/CD pipeline knowledge.

Preferred but Not Required Skills


  • Experience integrating AI/ML capabilities into production systems.
  • Knowledge of cloud infrastructure management, specifically AWS services.
  • Familiarity with automated testing and continuous integration/continuous deployment practices.
  • Experience working in fully remote and multicultural teams.
  • Previous involvement in fintech projects or startup environments emphasizing rapid innovation.

What We Offer

  • Fully Remote Work: Work from anywhere in Latin America with flexible hours aligned to the team and project needs.
  • Multicultural and Inclusive Environment: Collaborate with diverse professionals, enriching your experience and global network.
  • Continuous Professional Growth: Access to tailored training, certifications, and well-defined career development plans.
  • Challenging and Innovative Projects: Contribute to high-impact initiatives employing the latest technological trends and digital transformation strategies.
  • Contractor Benefits: Including vacation days, paid holidays, travel opportunities to the U.S., and home-office setup support.

Interview Process:

  • Interview with Bertoni Solutions
  • Interview with partner
  • 3 interviews with the client

APPLY VIA WEB Company Website

Source: GetOnBoard | Main Category: Programming