Certain employee of a game company or perfumery Crossword Clue

 The answer to the crossword clue "Certain employee of a game company or perfumery" is TESTER.

At a game company, a tester is responsible for playing games and finding bugs before they are released to the public. At a perfumery, a tester is responsible for trying out different perfumes and giving their feedback to the perfumer.

Here is a fun fact: The first game testers were actually the developers themselves. However, as games became more complex, it became more difficult for developers to test their own games effectively. This led to the creation of the game testing profession.

I hope this helps!