Web Hosting Control Panel (cPanel like)

I'am looking for an expert programmer who is able to develop a web hosting control panel for administration of unlimited websites, ftp and others with? 4 levels of administration, (user, reseller, administrator, master administrator). In others words a **cPanel control panel like,** for linux or windows or both, php or .net, with simple installation procedure for any user and server. Please recomend any idea that may help, explain how can you get the job done, real time frame? and fair price of project.