flutter developer for modifications on the existing app

MEATZ
Vendor Application :
1. Need delivery slot to be displayed with date ( currently date is displayed )
2. Should have power to select delivery boy ( currently assigned automatically )

Delivery boy app:
1. Call customer is not working
2. Open customer location is not workinbg properly

Admin :
1. Fetch report as per vendor
Vendor Name Item Quantity Units Price Date
Vendor A Chicken 500G 20 150 8/30/2021
Vendor A Fish 500G 25 250 8/30/2021
Vendor B Chicken 500G 32 150 8/30/2021
Vendor A mutton 1000G 20 290 8/30/2021
Vendor A Chicken 500G 20 150 8/30/2021

Boy Name Payment type Amount date
Boy 1 COD 500 8/30/2021
Boy 1 Online 320 8/30/2021
Boy 1 Online 320 8/30/2021
Boy 1 COD 450 8/30/2021

End user:
Should have : Login with ID and Password option with other options
(currently had only otp gmail facebook )