I can't speak for every company, but the impression I get is that recruiters at the FAANGs of the world seem to search for various coarse rubrics that may or ma

I can't speak for every company, but the impression I get is that recruiters at the FAANGs of the world seem to search for various coarse rubrics that may or may not correlate with whatever they are looking for, be it a high number of years of experience as a potential correlation to seniority or certain keywords as correlation for expertise in some subject matter. "Cloud" and derivative keywords are probably the ones landing your linkedin profile in the search results of these recruiters. Not everyone is getting recruiter spam because not all keywords are created equal and not all profiles look promising, but those of us who do get spammed, get a fair amount of it. The Amazon recruiter spam in particular is bad enough to be a running joke.