Senior Full-Stack React/Next.js Developer (Freelance)

Blu Selection - Recruitment Agency; Barcelona; Híbrido; EUR 55.104 - 82.656; Jornada completa

Descripción de la vacante

A leading recruitment agency is seeking a Freelance Senior or Junior Full Stack Developer in Barcelona. The role requires strong skills in React.js, Next.js, and Node.js. The developer will work in a hybrid environment, contributing to high-quality features in collaboration with cross-functional teams. Candidates should have 3-5+ years of experience and strong communication skills in English. This is a full-time freelance mission with a 3-month renewable contract.

Formación

• 3-5+ years of experience as a Full Stack or Front-End Engineer.
• Strong hands-on experience with React.js and Next.js.
• Good understanding of backend technologies (Node.js required).
• Experience with component libraries and design systems.
• Strong communication skills in English.

Responsabilidades

• Develop and maintain complex, data-heavy user interfaces.
• Build and optimise reusable components and contribute to the UI library.
• Collaborate with Product, UX, and Data to deliver features end-to-end.
• Participate in architecture discussions and decision-making.
• Contribute to CI/CD processes and development workflow improvements.

Conocimientos

React.js

Next.js

Node.js

REST APIs

Jest

Testing Library

Docker

Cross-functional teamwork

Herramientas

SonarQube

Checkmarx

Descripción del empleo

A leading recruitment agency is seeking a Freelance Senior or Junior Full Stack Developer in Barcelona. The role requires strong skills in React.js, Next.js, and Node.js. The developer will work in a hybrid environment, contributing to high-quality features in collaboration with cross-functional teams. Candidates should have 3-5+ years of experience and strong communication skills in English. This is a full-time freelance mission with a 3-month renewable contract.