Is my boyfriend having many female coworkers a relationship red flag?

he has a high profession job so that’s why there’s many females (more males than females but still females lol) of course I get jealous but I’m never to make him feel like shit about it he has his own life but many of my friends tell me it’s a red flag.

Updates
3 h
Guys I mean female friends that’s are from his job the stupid ai thing changed my title
Is my boyfriend having many female coworkers a relationship red flag?
Post Opinion