Hello! If you want to hire a real professional, then I advise you to contact https://data-science-ua.com/recruiting/for-companies/hire-ai-developers/ . Since they value their reputation very much, they select candidates very carefully, check their soft and hard skills, and also check additional sources of information before presenting potential candidates to the client. Yes, the time of selection they have is very comfortable for the employer, about 2-3 weeks.