Android Live Streaming App Development

I'm looking for an experienced Android app developer to create a live streaming app. The app should include:

Essential Features:
- User authentication
- Live chat
- Stream recording

Additionally, the app needs to integrate with payment gateways.

Ideal Skills and Experience:
- Proficiency in Android app development
- Experience with real-time communication APIs
- Familiarity with payment gateway integration
- Strong background in user authentication protocols

Please provide examples of similar projects you've completed.