Food Delivery App Development

I'm seeking a seasoned app developer to create and upgrade existing feature-rich food delivery application for both iOS and Android platforms.

Key Features:
- Real-time tracking: The app must provide an efficient system for tracking orders in real-time.
- Payment gateway integration: A secure and seamless payment system is crucial.
- User reviews and ratings: A feature to enable users to rate their experience and review services.

User Roles:
- Customer: The interface for customers should be intuitive and easy to navigate.
- Delivery personnel: This interface should support tracking, navigation and delivery confirmation.
- Restaurant owner: A dedicated interface for restaurant owners to manage their orders.

Ideal Skills:
- Cross-platform mobile app development
- Expertise in integrating payment gateways
- Experience in implementing real-time tracking systems
- Proficiency in developing user interface for different user roles
- Knowledge in developing apps with review and rating systems

Please provide examples of similar projects you've completed in your bid.