Company
Cint
Location
Berlin, Germany
Employment type
Full-time
Seniority
Senior
Primary category
Mobile Development
Secondary category
React Native
Posted date
20 Feb 2026
Valid through
21 Apr 2026
We're looking for an experienced and passionate Senior Mobile Application Engineer to join our team. You will be responsible for the full lifecycle development of our next-generation, customer-facing mobile applications for iOS and Android, built primarily with React Native.
You will be instrumental in delivering a fast, beautiful, and stable cross-platform experience by using modern development practices and the latest features of the React Native ecosystem.
What You'll Do: Key Responsibilities
Design and Development: Lead the development of high-quality, high-performance customer-facing mobile applications for iOS and Android using React Native, TypeScript, and related frameworks (e.g., Redux Toolkit, React Navigation).
End-to-End Ownership: Take ownership of features from concept and technical design through implementation, testing, and deployment to the respective app stores.
Cross-Functional Collaboration: Work closely with Product Managers, UX/UI Designers, and Backend Engineers to define scope, refine requirements, and integrate necessary APIs to create a seamless user experience.
Platform Expertise: Leverage a deep understanding of the mobile application lifecycle and platform-specific requirements to ensure near-native performance and adherence to App Store and Google Play Store guidelines. This includes working with native modules when necessary.
Quality and Performance: Implement robust unit, integration, and UI tests (e.g., with Jest, Enzyme, Detox) and proactively monitor, debug, and optimize application performance, focusing on metrics like startup time and crash-free sessions.
DevOps and Delivery: Manage the continuous integration and continuous deployment (CI/CD) pipelines, including build processes, code signing, and the entire store submission process (e.g., using Fastlane, EAS, or similar tools).
Modern Practices: Champion the adoption of modern React Native architecture (e.g., Fabric and TurboModules), superior state management, and best practices like modular architecture and component-driven development.
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