React Engineer

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you'd like, where you'll be supported and inspired bya collaborative community of colleagues around the world, and where you'll be able to reimagine what's possible. Join us and help the world's leading organizationsunlock the value of technology and build a more sustainable, more inclusive world.

Job Description

About the Role

We are seeking a talented React Engineer to build and maintain modern, scalable, and high-performing web and mobile applications. The ideal candidate will have strong expertise in React, TypeScript, JavaScript, and state management solutions , along with a passion for creating exceptional user experiences.

In this role, you will collaborate closely with Product Managers, Designers, Backend Engineers, and QA teams to deliver responsive, accessible, and reliable applications while following modern development best practices.

Key Responsibilities

Develop and maintain web applications using React, TypeScript, and modern JavaScript (ES6+).

Build reusable, scalable, and maintainable UI components.

Implement responsive and mobile-friendly user interfaces following design specifications.

Manage application state using Redux and Redux Toolkit.

Develop and maintain mobile applications using React Native.

Integrate frontend applications with RESTful APIs and third‑party services.

Implement user tracking and analytics integrations using Amplitude and RudderStack.

Write and maintain unit tests using Jest and React Testing Library.

Troubleshoot, debug, and resolve application issues in a timely manner.

Optimize application performance, load times, and user experience.

Ensure compliance with accessibility (a11y) standards and best practices.

Participate in code reviews and contribute to maintaining high-quality coding standards.

Collaborate with cross-functional teams in Agile/Scrum ceremonies.

Contribute to CI/CD processes and deployment pipelines.

Stay current with emerging frontend technologies and recommend improvements when appropriate.

Required Technical Skills

Strong experience with JavaScript (ES6+)

Strong experience with TypeScript

React

Redux

Redux Toolkit

React Native

RESTful API integration

TailwindCSS

Responsive Design

CSS / Styled Components

Unit Testing:

Jest

React Testing Library

Git (including Gitflow workflows)

NPM and/or Yarn

Debugging and troubleshooting

Performance optimization

Accessibility (a11y) standards and best practices

Experience with CI/CD pipelines:

GitHub Actions and/or Azure DevOps

Nice to Have

Next.js

Server-Side Rendering (SSR)

React Query / TanStack Query

GraphQL

Azure Cloud Services

Experience working in Agile environments

Experience with design systems and component libraries

Knowledge of frontend security best practices

Soft Skills

Strong problem‑solving and analytical skills.

Excellent communication and collaboration abilities.

Ability to work independently and take ownership of deliverables.

Proactive mindset with a focus on continuous improvement.

Strong attention to detail and commitment to quality.

Adaptability in fast‑paced and evolving environments.

Advanced English communication skills (written and verbal).

Capgemini is an AI‑powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organizations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of 420,000 team members in more than 50 countries. We deliver end‑to‑end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2024 global revenues of €22.1 billion.

Make it real | www.capgemini.com

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