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

Job Title Full-Stack Developer (Java + React / Next.js) Location: Remote (Poland-based candidates only) About the Role 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. Key Responsibilities 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 Required Skills & Experience 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)