Presumably you’re not just hiring, but hiring for some specific role. I would look on GitHub to find contributors to major open source projects that you either

Presumably you’re not just hiring, but hiring for some specific role. I would look on GitHub to find contributors to major open source projects that you either use directly, or which overlap with your stack. Find the experts and reach out to them. As long as you’re not lowballing and have a real, interesting project to offer, they’ll probably at least be open for a chat.