create code, write a computer program(verb.creation)
Example: She writes code faster than anybody else.
source: wordnet30
To set down, as legible characters; to form the conveyance of meaning; to inscribe on any material by a suitable instrument; as, to write the characters called letters; to write figures.(verb)
source: webster1913
To form characters, letters, or figures, as representative of sounds or ideas; to express words and sentences by written signs.(verb)