Bix.com clone needed PHP exp Ajax

Looking for a professional coder/s to build off of a video sharing script, clip-share or phpmotion script and create a features similiar to [login to view URL] but would like the look of tapatap.com. Must provide audio photo and video contests. Must have ajax features. Will discuss the features we would like to add as well to qualifying bidder. Again we have a video shaing script, so this part is done. we just need to create contests features like the sites mentioned above. Please show demo of work done specifically on video sharing sites etc. Must have great feedback and at least 5 years php and 1 year ajax. And PLEASE if you are not sure if you can do this then please dont bid. Keep i mind we are looking for best price and fastest to deliver...