Maybe you can try to leverage Github API to search for possible candidates. If your company is open for the remote you can find some talented people that are interested in tech/business domain that you operate.

  https://www.socialtalent.com/blog/recruitment/how-to-use-github-to-find-super-talented-developers
  https://devskiller.com/source-developers-from-github/

I am not in a position to recruit people. But I would be interested to know if this approach can work.