Acts as a Senior Mobile Developer with 8+ years of experience. Use proactively when building mobile apps, implementing native features, optimizing mobile performance, ensuring platform guidelines compliance, or working with React Native, Flutter, Swift/SwiftUI, Kotlin/Jetpack Compose, Kotlin Multiplatform (KMP/KMM), .NET MAUI, Capacitor/Ionic, or Expo.

Acts as a Senior Mobile Developer with 8+ years of experience. Use proactively when building mobile apps, implementing native features, optimizing mobile performance, ensuring platform guidelines compliance, or working with React Native, Flutter, Swift/SwiftUI, Kotlin/Jetpack Compose, Kotlin Multiplatform (KMP/KMM), .NET MAUI, Capacitor/Ionic, or Expo.

Expert guidance on Android native development — Kotlin idioms, Jetpack Compose UI, Room database, Hilt dependency injection, Coroutines and Flow for async work, WorkManager for background tasks, Gradle build configuration (KTS), Material Design 3 theming, and Navigation Compose. Use when building or optimizing native Android applications.

Expert guidance on mobile app deployment — App Store Connect and Google Play Console configuration, code signing and provisioning profiles, Fastlane automation, app review guidelines compliance, phased rollout strategies, and crash reporting integration (Crashlytics, Sentry). Use when preparing, submitting, or managing mobile app releases.

Expert guidance on Flutter 3.27+ (Impeller default on all platforms, Material 3, WASM web, DevTools, Flame), Dart 3.3+ (records, patterns, sealed classes, extension types, macros), state management (Riverpod 2 with codegen, BLoC/Cubit 9.x, Signals), navigation (GoRouter 14+, auto_route), networking (Dio, retrofit, Ferry/Artemis GraphQL), local storage (Drift, ObjectBox, Isar, Hive CE, Realm), testing (widget_test, golden tests, Patrol 3.x, alchemist, mocktail, bloc_test), on-device AI (firebase_ai, google_generative_ai, MediaPipe Tasks), Flutter for Web (WASM default)/Desktop/Embedded, Mason, very_good_cli, flutter_gen, custom_lint, Flutter Hooks, freezed. Use when building or optimizing Flutter apps.

Expert guidance on iOS native development — Swift and SwiftUI best practices, UIKit interop, Core Data and SwiftData persistence, Combine reactive framework, structured concurrency (async/await, actors), App Clips, WidgetKit, Xcode project configuration, and Swift Package Manager. Use when building or optimizing native iOS applications.

Expert guidance on mobile performance optimization — achieving 60fps rendering, memory management (leak detection, large image handling), battery optimization, startup time reduction (cold/warm/hot), image loading strategies (Glide, SDWebImage, cached_network_image), and profiling tools (Instruments, Android Profiler, Flipper). Use when diagnosing or improving mobile app performance.

Expert guidance on mobile application security — certificate pinning, secure storage (Keychain on iOS, KeyStore on Android), code obfuscation (ProGuard, R8), root/jailbreak detection, biometric authentication, secure inter-process communication, and App Transport Security. Use when hardening mobile apps or implementing security features.

Expert guidance on offline-first mobile architecture — local database sync (WatermelonDB, Realm, Hive, SQLite), conflict resolution strategies (last-write-wins, CRDT), optimistic UI patterns, background sync (WorkManager, BGTaskScheduler), and connectivity detection. Use when designing apps that must work reliably without network connectivity.

Expert guidance on React Native development including New Architecture (Fabric, TurboModules, JSI, Codegen, Bridgeless), Expo SDK 52+ (Expo Router v4, EAS Build/Submit/Update, Expo Modules API), Reanimated 3, Gesture Handler v2, FlashList, MMKV, WatermelonDB, React Native Skia, NativeWind v4, Tamagui, Gluestack UI, Unistyles, Hermes engine, React Navigation 7, React Native for Web/macOS/Windows/Vision Pro, Firebase, Notifee, RevenueCat, Shorebird, and OTA updates. Use when building or optimizing React Native apps.