Yes, we did and we did get some applicants but they did not have relevant experience or background in Game or AI.
We offered equity and compensation but are having hard time finding quality applicants.
1. Hire an HR to find you inhouse specialist (it costs a lot)
2. toptal.com - top 3% developers (it costs a lot)
3. odesk.com - really need to be a good manager and HR in one face to find a good one developer.
4. remoteyoda.com - the best variant for small businesses.