Senior Android Developer

Android Developer Technical Validation (10+
Years Experience)1. Core Android Experience Can you briefly walk me through the Android app lifecycle How do you handle background tasks or long-running operations in Android Whats the difference between an Activity, Fragment, and Service 2. Technical Stack & Languages Are you currently coding more in Kotlin or Java What advantages do you see in Kotlin Have you used coroutines in Kotlin Can you explain in simple terms what they help with Have you migrated any project from Java to Kotlin What challenges did you face 3. Architecture & Libraries What architecture pattern do you prefer MVP, MVVM, or MVI and why Have you worked with Jetpack components like ViewModel, LiveData, or Room Do you use dependency injection (e.g., Dagger, Hilt, Koin) Why is it important 4. Networking & Database What libraries do you use for API integration for example, Retrofit or OkHttp How do you handle offline data or caching in your apps 5. UI & Modern Android Have you worked with Jetpack Compose What makes it different from XML layouts How do you ensure your apps UI works well on different screen sizes 6. Testing & Security How do you approach testing in Android which tools or frameworks have you used How do you ensure data security in your mobile applications (like API keys or user data) Recruiter Tip (Closing Question): Can you share one recent project that best shows your Androidexpertise your role, tech stack, and challenges faced