I was frustrated in looking for a cofounder, so I built the very basics of the prototype myself, then continued to talk to people about it and show what I had d

I was frustrated in looking for a cofounder, so I built the very basics of the prototype myself, then continued to talk to people about it and show what I had done. Pretty soon, people became interested enough to ask about getting involved. Engaging a freelancer might help you get to that proto-prototype that will get you real engagement.