Build a Video Chat and eCommerce Site

Hello Expert Programmers, We are a self funded startup looking for Developers with expertise in Video Chatting, and e-commerce (pay for each chat) support. The ideal candidate would have experience in building a system where users will pay to chat, per chat. The backend will have to monitor the payments and ensure each chat is being billed accordingly. We would also like to have user profiles, and a shared calendar system so people may suggest appointments. I would prefer not to use PHP but if it makes sense, and is fast, then tell me why. I have a strong technical background so we can work out the details of which technology stack is the best. I can provide a lot more details about the technical requirements, but not too many details about the product until we can get all the legal stuff out of the [login to view URL] can you've done any site you have worked on dealing with scheduling and video chat technologies?Then show me please. And when you apply please write this sentence first"I Can Do It"Then I understand you read everything and understand easily what i want. We do not want development on Windows. We are a Linux shop preferring Centos5/6. Ubuntu okay. Thank You !