Senior Android Developer

Há 20 horas

Lisbon, Portugal act digital Tempo inteiro

We're opening a new opportunity for Senior Android Developers to collaborate with the team on ongoing initiatives, building and evolving Android applications with modern architecture and tooling.Location: Lisboa, Coimbra or Braga (1x on-site per week)Responsabilities:Develop and maintain Android features using Kotlin (and basic Java when needed);Build UI with Jetpack Compose and/or XML, aligned with Material Design;Apply MVVM/MVI/Clean Architecture to deliver scalable, maintainable code;Integrate REST APIs using Retrofit/OkHttp and manage dependencies with Dagger/Hilt;Handle async/reactive flows with Coroutines + Flow (preferred) and support RxJava where applicable;Implement local persistence with Room/DataStore/SharedPreferences (including secure storage when required);Monitor quality using Firebase Analytics/Crashlytics and support releases via Firebase App Distribution.Requirements:Languages: Kotlin (primary), Java (basic knowledge is sufficient);Development tools: Android Studio, Gradle;UI Frameworks & Components: Jetpack Compose, XML, Material Design Components;Architecture: MVVM, MVI, Clean Architecture;Jetpack Libraries (AndroidX): Navigation (app navigation), StateFlow (reactive data handling), ViewModel (lifecycle-aware UI logic);Networking: Retrofit (REST API communication), OkHttp (HTTP client);Dependency Injection: Dagger / Hilt;Asynchronicity: Kotlin Coroutines + Flow (preferred), RxJava / RxKotlin;Storage & Database: Room (SQLite wrapper), DataStor, SharedPreferences, EncryptedSharedPreferences (secure local storage);Analytics & Monitoring: Firebase Analytics, Crashlytics (crash reporting);CI/CD: Firebase App Distribution (beta testing).

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