Restaurant Food Delivery System

I am looking to develop a food delivery system for my restaurant. The specifics are yet to be determined but I am open to suggestions and expertise.

Only people who did before food delivery scipts ( with demo links)

Ideal skills and experience include:
- Proficiency in web and mobile app development
- Experience in developing food delivery systems
- Understanding of real-time tracking systems
- Knowledge of integrating multiple payment options
- Ability to implement customer review systems
- so all options need to be done like a normal food delivery service has!

Please provide a portfolio of your previous work in this field.