HI there,
we are professional on-line store builder with lots of successful offshore delivery experience,
please have a look in our portfolio for demos
Specifically in your case, I know you are looking for ONLY if understand how eCommerce Multi Vendor work and the system in Core PHP. but please consider our solution since we alreay have a ready to deploy system for multi-vendor system, the system is developed in java and we are able to do customization. also we are a studio rather than a company, so we will able to do long term support. if you choose us, we will need to plan to migrate your data into our system.
Our code-base is pure in-house developed, which bring you more performance, security and highly customizability.
we are very new to freelancer so you pay us till you happy with the result, also we always charge the minimum money for building our profiles, in this way we think we can start building trust between each other.