If you don't know any freelancer local to your area, perhaps post here asking for help and contract it out for the person you "click" with.(most probably this person will be your next project manager)
I would say that you need an experienced programmer or a project manager type(with good programming skills). Someone who understands how to write code but is experienced enough to communicate with anybody else on a higher level.
I wouldn't personally recommend any of the project bidding sites out there for this project(although I've used them personally as seller and buyer before).
