Social Networking Ride-Hailing App Development

I'm seeking an experienced mobile app developer to create a social networking ride-hailing app similar to Ola or Uber for both Android and iOS platforms.

Core Features:
- User Profiles
- Messaging
- Photo/Video Sharing

Key Functionalities:
- Ride Booking
- Driver Sign-Up
- Payment Integration

Ideal skills and experience:
- Proven track record in developing complex mobile applications, particularly in the ride-hailing or social networking domains.
- Strong expertise in payment gateway integration.
- Familiarity with user profile management and in-app messaging systems.
- Experience in both Android and iOS development.

Please provide a portfolio showcasing similar projects and a detailed breakdown of your approach.