It is probably worth noting that great technical employees aren't necessarily obsessed with tech in their day to day life, and don't necessarily follow the comm

It is probably worth noting that great technical employees aren't necessarily obsessed with tech in their day to day life, and don't necessarily follow the community online like a hawk. So while it's definitely worth posting job listings on Hacker News or sponsoring meetups, it's also worth noting that you'll still need to post on more traditional job boards to catch applicants that aren't all that interested in the social side of things.