You can also talk to friends, and ask them to ask their friends. Or look on LinkedIn and cold message some people that fit your needs. Recruiters do that, no reason you can't.

You can post the description here as well and we can give you feedback. As Gus mentioned, lots of extraneous HR stuff isn't interesting. Why would someone want to come work for you? Ask for real skills and real qualifications, but give them real reasons to answer your ad.