Full-time
Freelance Senior OR Junior Full Stack Developer – React / Next.js / Node.js – Barcelona
Posted by Blu Selection - Recruitment Agency • barcelona, barcelona, Spain
About the Role
Freelance Senior OR Junior Full Stack Developer – React / Next.js / Node.js – Barcelona
You will collaborate closely with the Tech Lead, Product Owner, UX Designer, and Data team to design, develop, and deliver high-quality features within an agile environment.
Responsibilities- Develop and maintain complex, data-heavy user interfaces using React and Next.js
- Build and optimise reusable components and contribute to the internal UI library
- Design and integrate REST APIs and WebSocket endpoints
- Ensure code quality through clean architecture and best practices
- Write unit and integration tests (Jest / Testing Library)
- Collaborate with Product, UX, and Data to deliver features end-to-end
- Participate in architecture discussions and decision-making
- Troubleshoot and resolve issues across the stack
- Contribute to CI/CD processes and development wo...
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