Broadcast Live Video Broadcast Web Widget with text messages from visitors side - Urgent

We need an high skilled professional developer with strong experience Live Video Streaming/VideoChat to develop a clone of this Video Chat : [login to view URL] It's a ONE TO MANY LIVE VIDEO BROADCAST SERVICE that we can sell to our enterprise customers in as a service mode. It must works on AWS. It works in this way. A) We can sell this service to our customers providing them a widget to be installed on the web page where the Live Broadcast must be live B) The Widget starts automatically when a visitor come on this web page getting a live video broadcast of the Agent like in this way : [login to view URL] C) The widget must take all the right shoulder height of the site on which it is installed and must be able to be reduced or closed by the customer like exactly you can see in this video : [login to view URL] D)Agent must have a console that can allow him to go live, to go in stand by and to see chat messages written by visitors (like you can see in this video [login to view URL] ) E) at the top of the Widget must be present a picture (like you see in this video ([login to view URL]) that could be connected to an html hypelink: so that the Visitor if he click on this picture he ll be forwarded to a Web based Video Chat (our video chat, not any request from your side) to go in a one to one live video chat (it's our video chat product) We specify that is not a symmetric live video chat but an asymmetric video chat, more similar a TV telesales live broadcast : only the live Agent is in Video while all website visitors can see him and they can ask to him directly questions writing text messages inside the widget You can decide any technology you wish to develop it (Webrtc, Flash, Opentok). It's an urgent project