Multi-Utility Payment and Booking App

I'm seeking an experienced developer to create a cross-platform (iOS and Android) mobile application. The app will simplify daily life by streamlining bill payments and travel ticket bookings.

Key Features include:
- Bill Payments:
- Mobile recharge
- Credit card payments

- Travel Ticket Booking:
- IRCTC train tickets
- Bus tickets
- Flight tickets

Ideal candidates should have:
- Proven experience in mobile app development, especially for both iOS and Android platforms.
- Familiarity with payment integration and secure transaction processing.
- Experience in designing user-friendly interfaces for seamless user experience.
- Prior work related to travel booking systems is a plus.

Looking for a developer who can deliver a secure, intuitive, and efficient application within budget. Please provide your portfolio and relevant experience.