POS sales inventory system

We want to develop a line of business software. Starting with a simple retail Point of sale system, then upgrading it to a sales order inventory system, then designing separate systems for many unique businesses (such as cleaners, bakery, bookstore etc.) We want to design the pos system similar to the system this company has- <[login to view URL]> but with better costumer details and inventory details. We would prefer a coder that already has a similar system and will tweak it according to our specs. Attached is a partial list of what we want (before deciding on exact price we will write up a detailed sheet of all specs to be included) Please base quote on estimate price structure. Please include screenshots of your work in this line, ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform Windows