Create a prototype interface between an aspx page and sharepoint 2010

Details: 1) Use vb.net, asp.net, sql server, jquery, sharepoint 2010 2) User will login to a web based portal 3) User should be allowed to upload documents to sharepoint using [login to view URL] 4) User should be allowed to download documents from sharepoint. Present documents using jquery tree plugin ([login to view URL] or [login to view URL]) 5) Users should be able to search within their documents using jquery auto complete textbox. 6) Users can only see their files 7) Create and document three interfaces: [login to view URL] a portal user to sharepoint and get a list of all documents in json format back [login to view URL] a portal user and a document name and get the actual document back c. pass a portal user and search criteria and return list of documents in json format