Looking for a string for craigslist, searching resume for Software developer
While the settings vary by individual craigslist site, most of them disallow search engines from capturing a large number of their pages, including the resume postings.
So you're stuck with their internal search and have to look one CL site at a time.
Here is a list of the operators it allows - https://www.craigslist.org/about/help/search
And example search (click here) - is for Philadelphia.