Local Messaging App Development

I need an experienced developer to create a local messaging app for Android. The app will primarily feature text and voice messaging. User authentication and account creation are required.

Key Requirements:
- Platforms: Android
- Features: Text and voice messaging
- Security: User authentication and account creation

Ideal Skills and Experience:
- Proven experience in Android app development
- Strong knowledge of real-time messaging protocols
- Experience with secure user authentication mechanisms
- Ability to design intuitive and user-friendly interfaces

Please share your portfolio and relevant experience. Looking forward to your bids!