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

Remotestar; Cambourne; Remote; GBP 43,676 - 61,146; Full time

Job summary

A leading software development firm is seeking a skilled Full-Stack Developer with strong experience in Java and React.js or Next.js. The ideal candidate will work remotely, contributing to all phases of software development in an Agile environment. Responsibilities include designing scalable applications, building backend services, and creating user interfaces. Candidates must possess strong communication skills and be based in Europe. This role emphasizes collaboration and XP practices, including Test-Driven Development (TDD).

Qualifications

• Strong professional experience as a Full-Stack Developer.
• Solid backend experience with Java (Spring, Spring Boot).
• Frontend experience with React.js or Next.js.
• Practical experience with XP practices, especially TDD and Pair Programming.
• Strong communication skills and ability to work effectively in a remote team.

Responsibilities

• Design, develop, and maintain scalable full-stack applications.
• Build robust backend services using Java.
• Develop responsive and performant user interfaces with React.js or Next.js.
• Write clean, maintainable, and well-tested code using TDD.
• Participate in pair programming and collaborative code reviews.
• Contribute to system design and technical decisions.
• Troubleshoot and debug applications for performance and reliability.

Skills

Full-Stack Development

Java

React.js

Next.js

Test-Driven Development (TDD)

Pair Programming

Agile methodologies

RESTful APIs

Git

Job description

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)