Jaipur-based Chat App Developer

I'm looking for an experienced Android app developer from Jaipur to create a chat application.

Key Features:
- Core functionalities: Text messaging, Voice and video calls, File sharing
- User authentication: Flexible options
- User status indicators: Online status, Last seen timestamp, Typing indicator

Ideal Skills and Experience:
- Proficient in Android app development
- Experience with real-time communication features
- Knowledge of user authentication mechanisms
- Familiarity with UI/UX design principles for chat apps
- Based in Jaipur for easier collaboration

Please provide examples of similar work done.