Position: Senior Android Developer
Category: Android
English level: upper
Years of experience: 4

Very satiating experience, I've helped to create apps for big companies and small startup, worked with teams with 2-13 person size.
Languages: Java, Kotlin

General: OOP, Design and Architecture patterns, REST.

APIs: Android SDK, Java Core, Google Play Services, some most popular third-party libraries (Dagger2, RxJava2, Retrofit2 etc).

Tools:  CI/CD tools, Git, Android studio, Jira/Trello.
Interesting project and reliable coworkers.