E-Commerce Grocery Shopping App

Looking for someone to design & build an e-commerce grocery shopping app which requires the following:

*Geo Location
*Uploading multiple supermarket vendors
*Listing products from multiple vendors
*Payment Gateway
*User Verification & Data Protection compliance
*Listing suggested product items
*Order history
*Create customer Profile including listing multiple addresses
*Vendor contact number against each vendor so customer can contact directly for any order issues
*Notifications to customer when item missing and list suggested items as replacement
*Backend to save customer information