engineer vs coder

engineer and coder both are nouns.

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

As nouns, coder is a hyponym of engineer; that is, coder is a word with a more specific, narrower meaning than engineer:

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

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

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