Bus Services Mobile App Development

I'm looking to develop a comprehensive mobile app for our bus services, available on both iOS and Android platforms. The app should have distinct user roles: Guests, Bus Attendants, and Admins.

Key Features:

- Booking System: Guests can book seats on our daily routes.
- Seat Selection: Interactive seat chart for guests to select their seats.
- Payment Gateway: Custom integration for secure transactions.
- Cancellation: Guests can cancel their bookings through the app.
- Real-Time Updates: Bus attendants receive real-time data on passenger status, including offline bookings.
- Offline Booking: Admins can update the chart for offline bookings, which will be reflected in the bus attendants' app.
- Cash Payment: Bus attendants can collect cash payments and update the chart.
- Future Features: Potential integration with a hotel booking system for contracted hotels.

Ideal Skills and Experience:

- Mobile app development for both iOS and Android
- Experience with payment gateway integration
- Familiarity with real-time data synchronization
- Strong backend development skills

Please provide portfolios showcasing similar projects. Looking forward to your bids!