Expert for web chat application

If you are a expert in web chatting app please make a bid feel free. I'd like to work with a serious long term partener. The site that to modify is [login to view URL] Now there are text chatting app already. What I want are: 1. First milestone. 1)Add video group conference. 2)Add to send imojins in text chatting and all kinds of files such as documents, images and vidoes. 3)Add a button in the page I 'd like to publish shared link in facebook. [login to view URL] milestone. I wish that the wall allows publishing with rich text, color and alignment and that it allows images and videos to be attached to the publication. and to continue the possibility of pasting direct YouTube videos Deadline is less than a week. Thanks.