Senior Android Developer

About the role

RedDoorz is seeking a Senior Android Developer to design, build, and scale high‑performance Android applications used by millions of users across Southeast Asia. You will collaborate closely with product, backend, and design teams to deliver best‑in‑class mobile experiences.

Key responsibilities

• Design and develop high‑quality, scalable Android applications.
• Lead feature development using Kotlin and Jetpack Compose.
• Implement MVVM, MVI, and Clean Architecture patterns.
• Ensure high performance, security, and code quality.
• Integrate APIs with Retrofit, Coroutines, and Kotlin Flow.
• Work with Room and Proto for offline data storage.
• Collaborate with QA, backend, and product teams throughout the development lifecycle.

Required profile

• 5‑7 years of professional Android development experience.
• Strong knowledge of Kotlin and Java.
• Expertise in Jetpack Compose and XML UI development.
• Hands‑on experience with Coroutines, Flow, Dagger/Hilt, and REST API integration.
• Solid understanding of Android SDK, lifecycle management, and memory optimization.
• Experience publishing apps to the Google Play Store.

Required skills

• Kotlin
• Java
• Jetpack Compose
• XML UI
• MVVM
• MVI
• Clean Architecture
• Coroutines
• Kotlin Flow
• Dagger/Hilt
• Retrofit
• REST API integration
• Android SDK
• Lifecycle management
• Memory management
• Play Store deployment
• Room
• Proto DataStore
• NDK (good to have)
• Firebase (good to have)
• Crashlytics (good to have)
• Kotlin Multiplatform (good to have)
• Git/version control