Need to Develop Escrow System – Both Website and Mobile Version

We are looking for an experienced PHP and and MySQL coder. The timeframe is two weeks. It is recommended for the coder to visit the current Marketplace to get a look and feel to the recommended functionality. There should be a possibility for a user to register either as a vendor (sellers account), or a buyer (normal account). A vendor should be able to upload pictures and info to his items. There should be an Escrow functionality. The site should get an adjustable percentage of the finished deals. There should be an admin panel for maintenance, resolving disputes and support There should be three types of access permissions: Administrator -> Access to every part of the site. Support -> Access to read and reply to support tickets. Resolving disputes, only access to funds placed in escrow. User -> Access to own account only The escrow system which must be integrated with payment gateways. If some one already made then please show me so we can buy and modify as per the requirement.