Android Expert

1/2021 – offen

Development of an health care insurance app (”elektronische Patientenakte”) for one of the German public health insurance.
- Kotlin and Kotlin Multiplatform.
- Migration from Data Binding (xml) to fully Jetpack Compose.
- Clean Architecture to decouple View, ViewModel, Domain Logic and Data Layer.
- MVVM via Android Architecture Components (ViewModel + Kotlin Flow + ReactiveState).
- Dependency injection via light-weight Kotlin DI framework.
- Testing via JUnit and mockk.
- Kotlin Coroutines for asynchronous programming

Agile Methodologie, Android, Android Entwicklung, Git, Junit, Kotlin, Scrum

2/2020 – 12/2020

Development of mobility app for public transportation.
- Whitelabel app architecture configuarable via compile-time and runtime-flags.
- Clean Architecture to decouple View, ViewModel, Domain Logic and Data Layer.
- MVVM via Android Architecture Components (ViewModel + Kotlin Flow).
- Dependency injection via Koin (and Dagger2).
- Testing via JUnit and mockk.
- Kotlin Coroutines for asynchronous programming.

Agile Methodologie, Android, Android Entwicklung, Git, Junit, Kotlin, Scrum

9/2018 – 12/2019

Development of an Automotive connectivity app for Android that communicates with vehicle head-unit via Bluetooth.
- Kotlin as main language for all new code (legacy code in Java).
- Clean Architecture to decouple View, ViewModel, Domain Logic and Data Layer.
- Android Architecture Components (ViewModel, LiveData, Data Binding).
- Testing via JUnit, Mockito, espresso and Android Integration Tests.
- Refactored monolithic single module project into multiple core and feature modules.
- Introduction of custom lightweight RX operators based on LiveData.
- Kotlin Coroutines for asynchronous programming.
- Kotlin Multiplatform to share code between Android and iOS.

Agile Methodologie, Android, Android Entwicklung, Git, Junit, Kotlin, Scrum