Front-End Developer – React (Lille)

About the role

Tata Consultancy Services is looking for a motivated Front‑End Developer specialized in React to join its Engineering team in Lille, France. You will design, develop, and maintain high‑performance web applications that provide exceptional user experiences for business users.

Key responsibilities

• Provide support and enhancements for React‑based applications, handling incidents and service requests.
• Analyze, debug, and resolve functional and technical issues in React components, state management, and API integrations.
• Monitor application performance, identify root causes of UI problems, and implement corrective measures.
• Collaborate with business and technical stakeholders to gather requirements and deliver timely solutions.
• Maintain up‑to‑date technical documentation, including UI design specs, component libraries, and deployment guides.
• Ensure code, configurations, and deployments comply with security policies and regulatory standards.

Required profile

• Bachelor’s or Master’s degree in Computer Science, IT, Software Engineering or a related field.
• Minimum 4 years of hands‑on front‑end development experience using ReactJS.
• Fluency in both French and English.
• Strong analytical and problem‑solving abilities.

Required skills

• ReactJS, Redux, React Hooks
• Angular (preferred)
• JavaScript (ES6+), HTML5, CSS3
• RESTful API integration, JSON handling
• Webpack, Vite, Babel, NPM/Yarn
• Git, GitHub, GitLab
• Material UI, Ant Design, Bootstrap, responsive design
• Micro‑frontend architectures, Docker, Kubernetes, GCP