gamedev vs software engineer

gamedev and software engineer both are nouns.

Word	Noun	Adjective	Verb	Adverb
gamedev	Yes	No	No	No
software engineer	Yes	No	No	No

As nouns, software engineer is a hypernym of gamedev; that is, software engineer is a word with a broader meaning than gamedev:

gamedev: someone who develops a game
software engineer: a person who designs and writes and tests computer programs

Other hypernyms of gamedev include coder, computer programmer, programmer.

gamedev (noun)	software engineer (noun)
someone who develops a game	a person who designs and writes and tests computer programs