MobileAppDeveloper

**Job Title:** Mobile App Developer (iOS/Android) **Position Type:** Full-Time, Remote **Working Hours:** U.S. client business hours (with flexibility for app release cycles, sprint planning, and bug fixes) **About the Role:** Our client is seeking a Mobile App Developer to design, build, and maintain mobile applications for iOS and Android platforms. This role requires fluency in native and/or cross-platform frameworks, strong UI/UX implementation skills, and the ability to integrate APIs and backend services. The Mobile App Developer ensures that mobile products are responsive, performant, secure, and aligned with business objectives. **Responsibilities:** **App Development:** * Build and maintain apps in Swift/Objective-C (iOS), Kotlin/Java (Android), or cross-platform frameworks (React Native, Flutter). * Implement user interfaces based on Figma/Sketch designs, ensuring responsiveness and accessibility. * Integrate REST/GraphQL APIs for data access and business logic. **Testing & QA:** * Write unit and UI tests with XCTest, Espresso, or Jest. * Maintain >80% code coverage and ensure test automation is included in CI/CD pipelines. * Debug crashes, performance bottlenecks, and OS compatibility issues. **Release Management:** * Manage app distribution through TestFlight, Google Play Console, or enterprise deployment platforms. * Prepare release notes, versioning, and metadata for store submissions. * Ensure compliance with Apple and Google app store guidelines. **Performance Monitoring:** * Monitor app performance and crash reports (Firebase Crashlytics, Sentry, New Relic). * Optimize apps for startup time, memory usage, and battery efficiency. **Collaboration & Documentation:** * Work with designers and product managers to refine feature requirements. * Partner with backend engineers on API contracts and integrations. * Document code, workflows, and release processes for team knowledge sharing. **Security & Compliance:** * Implement secure storage (Keychain, Keyst