Water Can Booking App Development

I'm looking for an experienced mobile app developer to create a water can booking application for both iOS and Android platforms. The app should include:

- User Registration and Login
- Booking Scheduling
- Payment Gateway Integration
- Email and SMS Notifications for Bookings

Ideal Skills and Experience:
- Proficiency in iOS and Android development
- Experience with user authentication and booking systems
- Knowledge of integrating secure payment gateways
- Familiarity with setting up email and SMS notification systems

Please provide a portfolio showcasing similar projects.