React Native Social App Development

I'm seeking an experienced React Native Expo developer to build a social networking app with a messaging system on iOS. The app should be integrated with Firebase for backend support.

Key Requirements:
- Development of a secure and efficient messaging system.
- User authentication and profile management using Firebase.
- iOS & Android platform support.

Ideal Skills and Experience:
- Proficiency in React Native and Expo.
- Strong experience with Firebase.
- Previous work on social networking applications.
- iOS & Android app development expertise.