You have to write at least a few coherent, error-free paragraphs in your resume typically. It's something of a good filter to toss out people that either can't, or can't be bothered to, write clearly for that small sample.

People generally don't read prose in technical resumes, moreover, I'd never hold it against a candidate because they're nudged into writing in a highly summarized, notation style. Unless there were blatant issues with language, and then I'd be super concerned about blowing off an 'english as a second language candidate'. About 1/2 of devs it seems are from 'somewhere else' and we can't expect them to have world class technical chops and perfect fluency.

While almost never seen, some do. I've had to write a few pages narrative of a professional experience for a Lab126 (Amazon) interview.