Multi-vendor ecommerce & integrated blog website

Hi,

I am looking to build a multi-vendor eCommerce website with integrated blog.

These are some of the features that I want on the site.
-Users being able to sell their products on the site.
-Users have their own profile with rating system that is similar to ebay.
-Charge a % FEE when a transaction is made
-credit card terminal other than paypal.
-Must have an easy user interface for users to manage and sell products.
-Integrated blog
-I want the site to be link with social media (Facebook & Twitter)

Here are some examples of some of the sites:
http://solecollector.com/Sneakers/Marketplace/
http://corevape.com/
http://wheelflip.com/

Please attach a portfolio along with your proposal. Looking forward to working with you.

thank you