VERIFONE OFFLINE SOFTWARE - open to bidding

I am looking for an experienced VeriFone developer that can modify a Vx 670. The pos terminal must function offline eliminating the need for a remote host. Software is required to download data stored on the pos terminal programmer who can build custom application for Offline VX670 to collect and save info (TRACK 1 + 2+3) and pin from the card (chip cards + swipe card) and the final message APPROVED , Insufficient Funds or ERROR CONECTION Make an encryption so can access the info saved on machine ...nothing special - the basic Be able to download and save data on the computer Full specifications will be provided to qualified person,