Restaurant Online Ordering App Development

I need an experienced app developer to create an online ordering app for restaurants, available on both iOS and Android platforms.

Key Requirements:
- Menu display with pictures and descriptions
- Payment gateway integration
- Order tracking

Ideal Skills and Experience:
- Proficiency in mobile app development for iOS and Android
- Experience in integrating payment gateways
- UI/UX design skills for an intuitive menu display
- Background in order tracking system development

Looking forward to your proposals!