Expert CODER to program entire site functions

I need a expert coder and or small team to code and code and code in a hurry! I have a buy now base site I need coded. I have all pages designed in PSD format. I need it all coded up. If you have multiple coders to work on project say 3-5 even better so we can get this done soon! The website is buy and sell website where items get approved by admin, rejected by admin. Sellers on site submit items for approval to admin. Items get keywords added to them so they can be found through a search bar. Items can be upgrade to be listed on homepage or on a scrolling bar by a paid fee. So a payment gateway is needed for upgrading listings to homepage. Each listing can be liked and each listing collects number of views to that website page. Buy now buttons go on all listings , with admin approving buy now transactions to take place. Admin panel needs to be built and coded , user panel needs to be built and coded. Site needs to be 100% bug free and coded . All I have is the PSD for all pages, I need coder or coders to have site completely coded. Please give your estimated time length to code site. You must be a master, I have no time for time wasters! Show me your most complex site you have ever coded in your proposal to be considered.