Java Android Developer (CIS)

As an Android Developer youfocuses on building robust, secure, and highly-available server-side systems and APIs that power products, working closely with front-end engineers and architects to ensure performance benchmarks are consistently met. Description What We Expect From You: Develop and maintain native Android applications in Java, writing clean, well-structured code that follows platform conventions. Build intuitive, accessible user interfaces following Material Design principles using XML layouts or Jetpack Compose. Integrate back-end RESTful APIs using Retrofit and OkHttp, handling errors, retries, and offline scenarios gracefully. Manage local data persistence using Room, SQLite, or SharedPreferences depending on the complexity of the data model. Handle push notifications, analytics, and crash reporting via Firebase services including FCM, Analytics, and Crashlytics. Write unit and instrumented tests using JUnit, Espresso, and Mockito to ensure reliable app behaviour across devices. Profile and optimise app performance with a focus on battery usage, memory consumption, and smooth UI rendering 3+ years of native Android development in Java with published apps or significant professional project experience. Strong knowledge of the Android SDK, Android Studio IDE, and Gradle build system configuration. Hands-on experience with Jetpack libraries including ViewModel, LiveData, Navigation, and WorkManager. Proficiency integrating REST APIs using Retrofit and OkHttp with proper error handling and response parsing. Experience with local data persistence using Room or SQLite, including migrations and complex queries. Working knowledge of Firebase services for notifications, analytics, remote config, and crash reporting. Fluency in English and Russian.