Senior Android Consultant

What will you do? 

You will join a cross-functional Mobile Platform team building new Android apps and digital experiences, improving the underlying technology and security platforms, and delivering customer-facing products in short, iterative cycles while continuously improving engineering practices, tooling, and quality.

Your tasks 

• Develop Android applications in Kotlin using Jetpack Compose.


• Design and implement solutions using MVP and MVVM patterns.


• Apply Clean Architecture principles and support modularization and dependency separation.


• Integrate apps with backend services using Retrofit.


• Implement asynchronous flows using Coroutines and Flow.


• Build and maintain local persistence using Room.


• Implement dependency injection using Koin or Dagger or Hilt.


• Create and maintain CI/CD pipelines for Android delivery.


• Write unit and integration tests and contribute to quality automation.


• Participate in code reviews, retrospectives, and technical discussions in a distributed team.


• Handle production incidents and take part in on-call support when needed.


• Implement mobile security best practices for storage, networking, and authentication.

Requirements 

• At least 3+ years of Android development experience in Kotlin.


• Very good knowledge of Android framework and app lifecycle.


• Strong Kotlin skills including Coroutines and Flow for asynchronous programming.


• Hands-on experience with Jetpack Compose.


• Experience with Retrofit for network communication.


• Experience with Room for local databases.


• Knowledge of dependency injection using Koin or Dagger or Hilt.


• Ability to manage application state using ViewModel and LiveData.


• Practical experience with CI/CD pipelines for mobile apps.


• Knowledge of modularization and dependency management.


• Familiarity with MVP and MVVM and Clean Architecture.


• Understanding of mobile application security including secure storage and secure network communication.


• Ability to diagnose and solve production issues and incidents.


• Experience working effectively in distributed teams.


• Very good command of English, spoken and written.


• Hybrid work from our client's office (Kraków).

Nice to have

• Experience with SSL pinning and advanced network security patterns.


• Experience with EncryptedSharedPreferences and Android Keystore.


• Experience with protecting apps against reverse engineering and mobile threats.


• Experience with modern testing approaches for Android UI and integration testing.


• Experience mentoring teammates and sharing knowledge.