UI/ Front-End Developer (React) (H/F)

Tata Consultancy Services (TCS) is an IT services, consulting and business solutions organization that has been partnering with many of the world’s largest businesses in their transformation journeys for over 55 years. As part of the Tata group, India’s largest multinational business group - TCS has over 614,000 of the world’s best-trained consultants in 55 countries. Overview: We are seeking a motivated and skilled ReactJS UI Engineer to join our Engineering team based in Lille, France.

This role is crucial in designing, developing, and maintaining high-performance, user-friendly web applications that deliver exceptional experiences for our business users.

will combine strong technical expertise in ReactJS, modern JavaScript frameworks, and UI/UX principles with effective communication skills in both French and English, working closely with cross-functional teams to deliver reliable and visually engaging solutions.

Application Support & Development: Provide support and enhancements for ReactJS-based applications, handling incidents, service requests, and troubleshooting issues reported by business users. Technical Analysis & Troubleshooting: Analyze, debug, and resolve functional and technical issues related to React components, state management, and API integrations. Incident and Problem Management: Monitor application performance, identify root causes of recurring UI issues, and implement long-term corrective measures.

Stakeholder Communication: Collaborate with business and technical teams to understand requirements, deliver timely solutions, and ensure user satisfaction with the web applications. Documentation & Reporting: Maintain up-to-date technical documentation, including UI design specifications, component libraries, and deployment guides. Compliance & Security: Ensure all code, configurations, and deployments adhere to organizational policies, security best practices, and regulatory standards. Required Skills &

Education: Bachelor’s or Master’s degree in Computer Science, Information Technology, Software Engineering, or a related field. Experience: Minimum 4 years of hands-on experience in front-end development using ReactJS, JavaScript (ES6+), HTML5, and CSS3, including design, development, and troubleshooting of web applications. Technical Expertise: Strong proficiency in ReactJS, Redux, and React Hooks

• Expert (Required).Angular Framework is also preferred. Experience with RESTful API integration and JSON-based data handling
• Proficient (Important). Knowledge of modern front-end build tools (Webpack, Vite, Babel, NPM/Yarn) and version control systems (Git/GitHub/GitLab)
• Proficient (Important). Familiarity with UI frameworks (Material UI, Ant
• Design, Bootstrap) and responsive design
• Proficient (Important). Understanding of micro-frontend architectures, containerization (Docker, Kubernetes), or cloud platforms (GCP). Language

Fluency in French and English. Analytical

Strong problem-solving abilities, attention to detail, and a proactive approach to improving UI performance and usability. Tools & Collaboration: Familiarity with issue tracking and documentation tools like JIRA, Confluence, and ServiceNow. Documentation: Ability to create clear technical documentation, component usage guides, and UI implementation notes. Preferred

Experience with cloud-native web application development or greenfield front-end projects is a plus. Working knowledge of UI automation testing, CI/CD pipelines, and API integration technologies. Excellent interpersonal, communication, and stakeholder management skills. Key Attributes: Customer-focused mindset with the ability to balance technical solutions with business requirements. Self-motivated and able to work independently, as well as collaboratively within a global team. High tolerance for ambiguity and changing priorities in a fast-paced environment.

Strong organizational and time management skills. Dedication to continuous learning and professional growth.

TCS: Attractive fixed + variable compensation Holiday Bonus Profit sharing CSE Join an international group present in 50 countries

Work on ambitious and innovative projects Participate in our community events: meetups followed by after-works, tech week, etc. And because we want to help you grow and improve, we offer regular training and participation in conferences. At TCS, diversity is a source of wealth, and inclusion is a daily commitment. We cultivate an environment where every talent, regardless of their origin or background, can express themselves and grow, and fully contribute to our collective success.

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