Depends on what your budget is. Posts on HN for the area of focus, specifically on threads can be great ways to find people, though might not be the easiest way

Depends on what your budget is. Posts on HN for the area of focus, specifically on threads can be great ways to find people, though might not be the easiest way to do it. Most of the time I just ask former coworkers or ping mailing lists. I'll give you feedback on your process or product if you want.