Android Food Delivery App Development

I'm looking for an experienced Android developer to create a comprehensive food delivery app. The app should include:

Real-time tracking: Users can track their orders live.
Payment gateway integration: Secure and varied payment options.
Customer reviews and ratings: Users can share their experiences.

Ideal Skills and Experience:
- Proficient in Android app development
- Experience with real-time tracking tech
- Strong understanding of payment gateway APIs
- UI/UX design skills for user-friendly interface
- Background in implementing review/rating systems

Please provide examples of previous work.