Design Patterns, MVVM, Mvp, Qa And Testing, Fragments, Material Design, Dependency Injection, Git, Sqlite, Retrofit, Android SDK, MVI, UI development using XML, Jetpack components, Activities, Coroutines, Services, Security and data protection, Jetpack Compose, Broadcast Receivers, Room, Encryption practices

Dependency Injection, Kotlin, Flows, Coroutines, AndroidX NavGraph, LiveData, MVVM architecture, Ktor, Jetpack Compose