coder vs engineer

coder and engineer both are nouns.

Word	Noun	Adjective	Verb	Adverb
coder	Yes	No	No	No
engineer	Yes	No	Yes	No

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

coder: a person who designs and writes and tests computer programs
engineer: a person who uses scientific knowledge to solve practical problems

Other hypernyms of coder include applied scientist, technologist, computer user.

coder (noun)	engineer (noun)
a person who designs and writes and tests computer programs	a person who uses scientific knowledge to solve practical problems
	the operator of a railway locomotive

coder (verb)	engineer (verb)
	plan and direct (a complex undertaking)
	design as an engineer