mixologist

plural mixologists

1. humorousoftenA person who creates cocktails, especially one considered an artist in that craft.
2. broadlyAny bartender.First known use 1856

   By the way, the difference between a bartender and a mixologist can be confusing, but normally a bartender serves the patrons at a sit-down style bar, where a mixologist would usually work at a very busy service-style bar.

   1999, Bob Emmons, The Book of Gins and Vodkas: A Complete Guide, page 63

   1 more example

   But now we see a split in the mixed-drink community. On one hand, cool bars and star mixologists are lauded and awarded as never before. On the other, booze brands are rushing to develop pre-mixed beverages for a burgeoning Ready to Drink (RTD) market.

   2022 July 4, Ben Schott, “Is There Anything That Gen Z Won’t Drink?”, in The Washington Post

3. A disc jockey.