Senior Android Developer

We are seeking a highly skilled Senior Android Developer with extensive experience in UI development and a strong UX sensibility.

Key Responsibilities:

• Feature Ownership: Take end-to-end ownership of complex epics, from technical design and API contract negotiation to implementation and deployment.

• Code Mastery: Write clean, idiomatic Kotlin code and build modern, responsive UIs using Jetpack Compose.

• Architectural Mastery: Maintain the integrity of our Clean Architecture and MVVM/MVI patterns, ensuring a modularized structure that allows for independent team development.

• Performance & Stability: Proactively hunt for memory leaks, optimize network layer efficiency, and reduce app startup times to provide a best-in-class user experience.

• DevOps & Automation: Contribute to and improve CI/CD pipelines (Azure/Bitrise) to ensure that code is tested, scanned, and deployed with zero manual intervention.

• Quality Guard: Lead by example in testing. Write robust unit tests and automated UI tests that serve as documentation for the system’s behavior.

• Technical Problem Solving: Act as the "go-to" person for debugging high-priority production issues and navigating the complexities of the Android OS fragmentation.

Technical Requirements:

• Kotlin Expertise: Deep understanding of Kotlin-specific features, including Coroutines, Flow, and Inline classes.

• Modern UI: 2+ years of hands-on experience with Jetpack Compose in a production environment.

• Deep Android Knowledge: Familiarity with the Android SDK internals, Lifecycle management, and WorkManager.

• Modern Stack: * Dependency Injection: Hilt or Dagger2.

• Networking: Retrofit, OkHttp, and GraphQL (Apollo).

• Persistence: Room or SQLDelight.

• Testing Suite: Expert level with JUnit, Mockito/MockK, and UI testing frameworks like Espresso or Compose Test.

• Platform Awareness: Solid understanding of Google Play Console management, App Bundles, and ProGuard/R8.

Other Details:

Location: Lisbon, Braga, or Coimbra – Hybrid – 1x per week - Candidates must be living in Portugal.

Language: English - B2 with fluency.