Build a Multi Vendor e commerce Website and Mobile Apps

I need a Multi-Vendor e-commerce Website and Mobile Apps. Please send a proposal if you understand e-commerce ( especially multi-vendor systems )

On the Backend, We will have Super Admin Portal, who manage each and everything of the system also can create a sub-user account like Admin Portal or Employee Portal.

Vendor Portal
- Vendor can log in after Admin approves the registration
- Vendor can upload products, edit products, etc ( Admin approval is required )
- Vendor can chat with customer, view ratings on their products, View orders, view returns, etc
- Vendor can see all financial dashboards like Total amount earned, commission paid, payout date , payout amount etc ,
- Vendor can create coupon codes for their products, request withdrawal, store design, answer the customer question, etc

Customer Website/Mobile Apps
- Customer Login/Registration
- Order products/ Online payments
- View orders, view returns/cancellation, Can review products
- Chat with vendor / Chat with Admin/Employee
- Get reward points / Play games like spin the wheel, quiz
- Track Order, return request, share product, share order, add to wishlist, compare product, etc

Integration
Google Lens / Google voice search
- Local Payment Gateway
- SMS Gateway
- Email Marketing
- Courier/Shipment

Reference
https://www.flipkart.com/
https://shopee.sg/
https://lazada.sg/

Technology
Node Js, Vue Js, Angular Js
React Native for Apps

Thanks