A full developer contributors list can be found here.

Tchap team:

Even if we try to be able to work on all the functionalities, we have more knowledge about what we have developed ourselves.

Yostyle: Android team leader

@yoanp:matrix.org

Android team leader, Android developer, GitHub community manager.
Specialist of the account creation, and many other fun features.
Reviewing and polishing developed features, code quality manager, PRs reviewer, GitHub community manager.
Release manager on the Play Store

NicolasBuquet: Android developer

@nicolas_buquet:matrix.org

Android developer.
Reviewing and polishing developed features, PRs reviewer.