Freelance Senior OR Junior Full Stack Developer – React / Next.js / Node.js – Barcelona

Freelance Senior OR Junior Full Stack Developer – React / Next.js / Node.js – Barcelona
Asegúrese de leer detenidamente la información sobre esta oportunidad antes de presentar su candidatura.

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

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• 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...