Middle Android Engineer

About the role

We are looking for a Middle Android Engineer to join a leading private bank in Argentina. You will work on robust, scalable fintech applications, using modern Kotlin‑based architectures and UI frameworks.

Key responsibilities

• Design and implement Android applications following MVVM and Clean Architecture principles.
• Build UI screens with Jetpack Compose, Material 2 theming, ViewModel, and reactive state management.
• Manage app state using StateFlow, SharedFlow, and Kotlin coroutines.
• Configure dependency injection with Hilt, handling lifecycles and scopes.
• Develop and consume REST APIs using Retrofit, OkHttp, and serializers such as Kotlinx Serialization or Moshi.
• Implement navigation flows with the Navigation Component, including deep links and safe args.
• Write unit, UI, and integration tests with JUnit, Compose Testing, Espresso, Mockito or MockK.
• Maintain build scripts, Gradle dependencies, and modularization; integrate Firebase Crashlytics for monitoring.
• Collaborate with the team using Git with solid branching practices.

Required profile

• Minimum 3 years of professional Android development experience.
• Strong proficiency in Kotlin (version 1.9.x or higher).
• Solid understanding of design patterns such as Factory, Singleton, Repository, and Observer.
• Intermediate level English communication skills.

Required skills

• Kotlin
• MVVM
• Clean Architecture
• Jetpack Compose
• StateFlow / SharedFlow
• Coroutines
• Hilt
• Navigation Component
• Retrofit
• OkHttp
• Kotlinx Serialization
• Moshi
• JUnit
• Compose Testing
• Espresso
• Mockito / MockK
• Git
• Gradle
• Firebase Crashlytics
• Material 2
• ViewModel
• Dependency Injection