Senior React Native Developer, 80-100% (w/m/d)

Take the next step in your career and help us drive meaningful change

• You play a key role in shaping a new component library that will serve as the foundation for all future mobile applications across the company
• You take ownership of the codebase and act as one of its primary guardians, ensuring it stays clean, consistent, and intuitive.
• In close collaboration with designers and engineers, you challenge UX concepts and implementation approaches, contributing ideas that elevate user experience and align with product goals
• You will write comprehensive unit and end-to-end tests to ensure the reliability and maintainability of the codebase
• Sample screens, templates, and clear documentation will be developed by you to help teams adopt the library effectively
• Active participation in internal developer events allows you to shape discussions, share insights, and foster cross-team collaboration

• You bring at least 4 years of experience in mobile development and are highly skilled in JavaScript, TypeScript, and the React ecosystem – with at least 2 years of hands-on expertise in React Native and Expo. You also have experience working with GraphQL and Relay
• A bachelor's degree in computer science, software engineering, or a related field forms the foundation of your technical expertise
• Familiarity with the full mobile development lifecycle - from ideation to release - is complemented by hands-on experience in native development for iOS and Android using Kotlin, Swift, and Objective-C
• You are experienced in testing practices, from writing unit tests with Jest to running end-to-end tests using tools like Nightwatch, Detox, or Maestro
• You are a strong communicator in English and thrive in collaborative environments – proactively contributing ideas, challenging constructively, and working well with others. German is a big plus

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