Android Developer - Birbank Business Tribe

3+ years of professional experience in Android development using Kotlin

Solid understanding and hands-on experience with clean architecture

Experience working with modular architecture and large-scale projects

Strong knowledge of Kotlin Coroutines and structured concurrency for async operations

Strong knowledge of Android networking (REST APIs, authentication, WebSocket)

Experience with real-time systems and bidirectional communication

Experience with ProGuard/R8 configuration and SDK obfuscation strategies

Understanding of binary compatibility and semantic versioning for public APIs

Experience managing transitive dependencies and resolving version conflicts

Strong debugging skills and problem-solving abilities

Excellent communication and collaboration skills.

Security Requirements:

Experience implementing certificate pinning (OkHttp CertificatePinner, Network Security Config)

Knowledge of end-to-end encryption implementation patterns

Experience with secure local storage (EncryptedSharedPreferences, Android Keystore)

Understanding of secure token management and session handling

Familiarity with secure logging practices (preventing sensitive data leakage)

Knowledge of input validation and sanitization techniques.