Senior Mobile Developer (React Native)

Position Overview

Microservice Solutions GmbH seeks a Senior Mobile Developer specializing in React Native to build high-quality iOS and Android applications. This fully remote position requires extensive experience in cross-platform mobile development and a strong understanding of native mobile ecosystems.

Technical Responsibilities

• Design, develop, and maintain cross-platform mobile applications using React Native
• Build reusable mobile components and libraries for efficient development
• Implement native modules and bridge functionality when React Native capabilities are insufficient
• Integrate RESTful and GraphQL APIs with proper error handling and offline support
• Implement push notifications, deep linking, and mobile-specific features
• Optimize application performance, memory usage, and battery consumption
• Handle app store submission processes for iOS App Store and Google Play Store
• Implement mobile security best practices including secure storage and authentication
• Write unit tests and integration tests for mobile applications
• Collaborate with UI/UX designers to implement pixel-perfect mobile interfaces
• Debug and resolve platform-specific issues on iOS and Android
• Stay current with React Native updates and mobile development best practices

Required Technical Qualifications

• Minimum 5 years of mobile development experience with at least 3 years focused on React Native
• Expert-level proficiency in JavaScript ES6+ and TypeScript
• Strong understanding of React Native architecture, bridge, and native modules
• Experience with React Native ecosystem: React Navigation, Redux/Zustand, React Query
• Knowledge of iOS and Android development including Xcode and Android Studio
• Experience with native iOS (Swift/Objective-C) or Android (Kotlin/Java) for custom module development
• Proficiency in mobile UI implementation and responsive layouts for various screen sizes
• Understanding of mobile app lifecycle, background tasks, and state management
• Experience with app store deployment, provisioning profiles, and code signing
• Knowledge of mobile testing frameworks (Jest, Detox, Appium)
• Familiarity with mobile CI/CD pipelines (Fastlane, App Center, Bitrise)
• Strong debugging and performance optimization skills
• Fluent in English (written and verbal); German proficiency is advantageous
• Legal authorization to work in Switzerland or EU

Preferred Technical Qualifications

• Experience with Expo and managed React Native workflows
• Knowledge of mobile analytics and crash reporting tools (Firebase, Sentry)
• Experience with mobile payment integration (Stripe, Apple Pay, Google Pay)
• Understanding of mobile accessibility standards and implementation
• Knowledge of mobile security including SSL pinning and secure storage (Keychain, Keystore)
• Experience with mobile push notification services (FCM, APNs)
• Familiarity with mobile deep linking and universal links
• Experience with over-the-air (OTA) updates and code push
• Contributions to open-source React Native libraries or projects

Compensation and Working Conditions

• Competitive salary commensurate with experience and Swiss market rates
• Fully remote position with flexible working hours
• Modern development tools and devices for testing (iOS and Android devices)
• Professional development budget for courses, conferences, and certifications
• Opportunity to build mobile applications across diverse industries
• Collaborative engineering culture focused on mobile excellence