Senior Software Engineer (React Native, Typescript)

Capgemini is an AI-powered global business and technology transformation partner with nearly 60 years of heritage, employing 420,000 team members in more than 50 countries. The Capgemini Digital Customer Experience (DCX) helps global brands and public organizations implement business-focused digital capabilities and innovations following a "Customer-First" approach.

• 5+ years of experience in mobile application development using React Native (Expo managed and bare workflows).
• Strong proficiency in TypeScript, JavaScript, and React (Web).
• Solid understanding of mobile application architecture including MVVM (conceptual), Clean Architecture, separation of concerns, and testable design.
• Experience with state management and data fetching solutions such as Redux / Redux Toolkit, Zustand, React Query.
• Hands-on knowledge of React Native ecosystem including React Navigation, native modules, and system APIs.
• Understanding of reactive and asynchronous programming patterns in JavaScript (hooks, async/await, event-driven state).
• Experience with App Store / Google Play Store guidelines, publishing, and troubleshooting store-related issues.
• Fluent English communication skills; German is a significant advantage.

• Develop and enhance mobile applications using React Native, participating in the full software development lifecycle including requirements analysis, architecture, implementation, testing, deployment, and publishing to Google Play Store and Apple App Store.
• Take technical ownership of selected application modules or entire features.
• Contribute to architectural decisions ensuring scalability, maintainability, and performance of mobile solutions.
• Integrate mobile applications with backend services, APIs, cloud platforms, and enterprise systems.
• Collaborate closely with UX/UI designers, product owners, backend developers, and QA teams to deliver high-quality user experiences.
• Perform code reviews, share best practices, and support less experienced developers.
• Ensure high code quality by promoting best development practices such as unit tests, automated testing, and modern design patterns.
• Identify and address performance issues, stability risks, and security concerns.