Aleksandr B.

I'm a mobile developer with commercial experience building and maintaining Android and Flutter applications from concept to production. I specialize in media applications, enterprise solutions, kiosk systems, location-based services, and scalable mobile architectures. ✅ Kotlin, Dart ✅ Android SDK & Flutter ✅ Jetpack Compose & XML ✅ MVVM, Clean Architecture, SOLID ✅ Multi-module Applications ✅ REST APIs, Retrofit, Dio ✅ Firebase, Room, DataStore ✅ Coroutines, Flow, WorkManager ✅ Dagger, Hilt, Koin ✅ Media3, ExoPlayer, Media Kit ✅ Android TV, Kiosk Mode, WebView ✅ Google Play Publishing & Release Management ✅ Localization (English, Ukrainian, Russian) 🛠 Commercial Experience ━━━━━━━━━━━━━━━━━━━━━━ 📺 Digital Signage & Media Platform Enterprise Android solution for commercial locations, focused on scheduled media playback, device management, and offline reliability. Key responsibilities: • Video & image playback • Schedule synchronization • Offline-first media caching • Device activation flow • Remote configuration • Background synchronization • Crash reporting & analytics Tech stack: Flutter • Dart • Firebase • WorkManager • WebView • MediaKit • AWS SQS • REST APIs • Local Storage • localization ━━━━━━━━━━━━━━━━━━━━━━ 📱 Large-Scale Consumer Application Production mobile application with an active user base and continuous feature development. Key responsibilities: • New feature development • Performance optimization • API integrations • Crash monitoring & analytics • Release management & maintenance • Bug fixing Tech stack: Kotlin • Java • Android SDK • Jetpack • Coroutines • Room • Firebase • Koin • ViewBinding Why work with me? ✔ Clear communication ✔ Daily progress updates ✔ Clean and maintainable code ✔ Focus on long-term cooperation ✔ Production-ready solutions ✔ Google Play Publishing, AAB Releases & Play Console Management ✔ AAB builds, testing tracks & production rollout Let's discuss your project.