Multi Vendor E-Commerce Platform

We are a startup in ideation/validation phase to build an MVP(responsive Web/Native Mobile App IOS, Android) for Multi Vendor E-Commerce in more than 1000 categories with Vendor/Buyer Management, Vendor Verification (GST, PAN, Business), Unlimited product multi variant listing per vendor, payment gateway(Paytm, PayU, GPay, other), delivery/shipping/tracking integraitons, buyer/vendor invoice/gst management, integrated messaging, vendor/seller membership profiling, multi language, Multi Currency, India/International zip codes, and more as we go.

all designs were ready to go and themes can be provided if necessary.
we need all integrations (web/mobile apps) and modifications for production ready.
Please big with the tools you will be using for this project.
Require very responsive website similar ----------
and mobile app (IOS, Android) like ----------
.
we require immediate after support accordingly.
we will contact you after reviewing your bid for further discussion.