For 55 years, TCS has been providing IT services, consulting, and business solutions to its clients—leading global companies that we support throughout their transformation journey.

As the first company of the Tata Group, Tata Consultancy Services (TCS) operates in 55 countries worldwide and employs over 600,000 people representing 149 nationalities. The company’s consolidated revenue reached over $29 billion in 2023.

Our teams are international and multicultural. Above all, we are looking for individuals who share our values and want to contribute to achieving our ambitions.

Role :

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. The ideal candidate 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.

Key Responsibilities :

• 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 & Qualifications

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 Skills : Fluency in French and English.

  Analytical Skills : 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 Skills

• 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.

Working Conditions

• Position is based in Lille, Romania, 5 Days a week.

Why Join TCS :

• Join an international company that is a leader in its field.

• Work in a multicultural environment with diverse, high-impact projects.

• Develop your skills through continuous learning and training programs.

• Benefit from an inclusive and collaborative corporate culture.

• Take part in innovative projects that are shaping the future.

Recruitment Process :

• An initial discussion with our HR team.

• A technical interview to assess your skills.

• A final interview with an operational manager.

• And then, welcome to TCS!

“At TCS, diversity is a strength and inclusion is a daily commitment. We foster an environment where every talent, regardless of origin or background, can express themselves, grow, and contribute fully to our collective success.”