5+ years of experience in mobile application development for iOS and/or Android Proficiency in Swift (iOS) and/or Kotlin (Android) for native development Experience with cross-platform frameworks such as React Native, Flutter, or MAUI Strong understanding of mobile UI/UX principles, animations, and accessibility best practices Familiarity with REST APIs, GraphQL, WebSockets, and real-time data synchronization Experience working with local storage (SQLite, Core Data, Room), cloud services (Firebase, AWS, GCP), and push notification frameworks Proficiency in mobile app security practices, authentication (OAuth, JWT), and encryption techniques Knowledge of CI/CD pipelines and mobile deployment tools (App Store Connect, Google Play Console, Fastlane) Experience in early-stage startups or fast-paced product environments is a plus