Crowd Sourcing Fashion e-commerce site

Please only apply to this posting if you have considerable experience in developing ecommmerse websites with b-c, b-b, and crowd sourcing experience. I'm looking a site similar to Betabrand and [login to view URL] And front end ecommmerse like Boohoo Asia There will be 4 main aspects 1. Platform for designers to upload profiles , designs, videos portfolio etc. 2. Platform for crowdsourcing designer ideas 3. Platform for manufacturers / suppliers to bid and track order's from conception through to production through to delivery 4. Platform for selling online - traditional e-commerce Social integration required. . Looking in particular for some one with huge instagram experience