[probinso]

Caution. I know no thing of this problem space.

you have a unique oopportunity to learn. Hire someone on as your lead developer, and act as a developer beneath them. You can grow yourself, by getting assigned tasks and working through their code reviews, you'll have complete scope view of project, and the possibility for a cool prototype.

I would suspect that it'll take less time than you, and more time than just them; but could be an exceptional environment