Flutter Fitness App with Social Features

I'm seeking an experienced Flutter developer to create a fitness app with social networking capabilities.

Key features:
- User profiles: Users should be able to create and customize their own profiles.
- Chat and messaging: Integrate a secure and efficient chat system for users to communicate and motivate each other.
- Admin panel(it would be a web)

The ideal candidate should have:
- Extensive experience with Flutter and mobile app development.
- A strong portfolio of social networking apps.
- A passion for fitness and understanding of fitness app features.

Please provide examples of relevant past projects in your proposal.