Alibaba Clone B2B(using joomla platform)

Hi I need a web developer who can use Joomla platform to build web similiar to [login to view URL] here some spesification For Store Owners [login to view URL] to approve or decline any seller account automatically/manually 2. Facility to sort and manage seller profiles with ease [login to view URL] to manage seller and products perfectly [login to view URL] the seller base on packages bronze,silver and gold [login to view URL] payment for membership with two different payment options: via Bank /PayPal accounts 6.Sub-Domain Support . Each user will have sub-domain for their company profile. i.e [login to view URL] [login to view URL] money by selling banner and ads space(ads banner module) For Seller(Merchant) [login to view URL] to sign up via default login [login to view URL] to create, sort, and manage countless products with details via dashboard [login to view URL] to update product details instantly [login to view URL] to add logo, banners to be displayed on front-end [login to view URL] to delete and add any product for any seller [login to view URL] to categorize products under relevant categories and sub categories [login to view URL] to send email confirmation to admin and merchant for every purchase made [login to view URL] product detail page displaying similar, other products, merchant data, other merchant product related to this product(will get company pages) [login to view URL] to categorize products under relevant categories and sub categories [login to view URL] communicated with customer using instant massage [login to view URL] to subscribe packages,bronze,silver and gold packes For Customers [login to view URL] to register easily with default login [login to view URL] to request any product from any seller [login to view URL] email confirmation upon product purchase this site similiar with [login to view URL],but more simple UI and nice graphic