Adding Elements to my C# ASP Website

I need a coder who is very experienced in coding in C# and aspx. (asp .net)? My site is a daily deal site that allows merchant users to post their deals on my website to the main deal page. <[login to view URL]> I would instead like merchant users to be able to post their own deals at their own custom username URL's. So when merchants post a deal it appears on [[login to view URL]"companyname".aspx][1] The creation of deal code is already in place. I just need merchants to be able to create deals that get inserted on their own user URL page. I have certain admin controls in my own back end that allow the user to change things like, duration of deal, deal time extensions, sending of notifications etc that I would like the merchant to have the ability to change for their own deals they create. Again this code is already in place, however it needs to be added to the merchant users deal creation page.