Stephan Drescher

Android

• Android SDK, Android Studio, Gradle
• Complex Custom Views
• UI optimizations
• Performance optimizations (CPU, Memory, Network)
• Video-Encoding, Camera2 API
• Coroutines, RxJava, Dagger, Koin, Glide, okHttp, Retrofit, Moshi, ExoPlayer, Camera2 API, MediaCodec, MediaMuxer, DRM-Protection, Mockito, JUnit, SQLite, Room, Realm, Butterknife Chromecast, Picasso, NexPlayer, HockeySDK, Google Maps, Play Services, Espresso, Geocoder, GSON, Jackson, Flutter, Android Things, Calabash, Robolectric

Languages

• Kotlin
• Java
• furthermore: Dart, Javascript, Ruby, Python, C/C++

Methods

• Agile, Scrum
• Reactive-, Functional-, Object-Oriented – Programming
• Clean Architecture, Clean Code, Design Patterns
• Test Driven Development
• Continuous Integration, Continuous Delivery

Tools

• Mac OS X, Linux/Debian, Raspbian
• zsh, Sublime, IntelliJ, VS Code, Git
• Jira, Confluence, Bitbucket, Jenkins, Slack
• Docker

Imaging

• Image and Video Encoding
• Video Streaming, DRM
• Image Sensors
• Optics
• OpenCV
• Open GL (ES)

Web

• GraphQL, REST
• HTML, CSS, XML, JSON
• node.js, Bootstrap, Hugo
• JavaScript, PHP, MySQL

Languages

• German
• English
• Spanish
• French
• basic Swedish