Building a food delivery app

the buyer orders something from the customer app , the main system sends a notification to the restaurant , the system sends a request to the nearest driver , all the drivers are live on a map , the driver accepts the order and goes to the restaurant , he takes the order to the buyer , he receives cash upon delivery. the driver goes to the office every 2 or 3 days to submit all the collected cash form orders and gets his cut .. the system should look something like this app below

https://play.google.com/store/search?q=talabat&c=apps