Full-Stack Developer; Java + React​/Next.js- Poland

Full-Stack Developer (Java + React / Next.js)

Location: Remote (Poland-based candidates only)

We are looking for a skilled Full-Stack Developer with strong experience in Java on the backend and React.js or Next.js on the frontend. The ideal candidate is comfortable working in a remote, collaborative environment and has hands‑on experience with Extreme Programming (XP) practices
, including Test‑Driven Development (TDD) and Pair Programming
.

You will work closely with cross‑functional teams to design, build, test, and maintain high‑quality software solutions.

• Design, develop, and maintain scalable full‑stack applications
• Build robust backend services using Java (e.g., Spring / Spring Boot)
• Develop responsive and performant user interfaces using React.js or Next.js
• Write clean, maintainable, and well‑tested code using TDD
• Actively participate in pair programming and collaborative code reviews
• Contribute to system design, architecture, and technical decision‑making
• Troubleshoot, debug, and optimize applications for performance and reliability
• Work effectively in an Agile / XP‑driven development process

• Strong professional experience as a Full-Stack Developer
• Solid backend experience with Java (Spring, Spring Boot, REST APIs)
• Frontend experience with React.js or Next.js
• Practical experience with XP practices
  , especially:
• Test‑Driven Development (TDD)
• Pair Programming
• Good understanding of RESTful APIs and web application architecture
• Experience with Git and collaborative development workflows
• Strong communication skills and ability to work effectively in a remote team
• Must be based in Europe (any country)