Uber-like App Development

I need a mobile application similar to Uber, available on both iOS and Android platforms. The app should support three user roles: Rider, Driver, and Admin.

Core functionalities:
- Ride booking
- Driver management
- Payment processing

Additional features:
- In-app chat
- Rating system
- Fare estimation

Ideal skills and experience:
- Proficiency in mobile app development for iOS and Android
- Experience with backend systems for real-time data processing
- Knowledge of payment gateway integration
- UI/UX design experience to ensure a user-friendly interface
- Prior experience with similar ride-sharing or logistics apps is a plus

Please provide examples of similar work done.