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

Remotestar; Poland; On-site; PLN 210,792 - 295,109; Full time

Job summary

A remote software development company is seeking a Full-Stack Developer experienced in Java and React.js/Next.js. The ideal candidate will thrive in a collaborative remote environment and has practical knowledge of Extreme Programming practices such as Test-Driven Development and Pair Programming. Responsibilities include designing scalable applications, developing backend services, and creating responsive user interfaces. Candidates based in Europe are encouraged to apply.

Qualifications

• 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 Extreme Programming (XP) practices.

Responsibilities

• Design, develop, and maintain scalable full‑stack applications.
• Build robust backend services using Java.
• Develop responsive user interfaces using React.js or Next.js.
• Write clean, well‑tested code using TDD.

Skills

Java

React.js

Next.js

Agile

Test-Driven Development (TDD)

Pair Programming

REST 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)