research
AI Recruiting Tools Companies Use: S&P 500 Data by Vendor
Of 288 S&P 500 companies whose hiring platform we identified, 30.2% use Workday, 13.5% Phenom and 5.9% Eightfold. Full vendor and sector breakdown inside.
7 min read
Tag
ATS by Company
Which applicant tracking system specific companies use, including S&P 500 and Fortune 500 employers.
- resume tailoring
Startup Resume vs Corporate Resume: How to Tailor Each
Startup resume vs corporate resume: the facts stay the same, the emphasis changes. Side-by-side table, S&P 500 ATS data for the corporate side and a prompt.
7 min read - ats optimization
Workday AI Resume Screening: How HiredScore Grades You
Workday's HiredScore grades applicants A to D on how their parsed resume meets the job's basic and preferred qualifications. Here is how it works and what to do.
7 min read - ats optimization
How Recruiters Search an ATS: Workday, Greenhouse, LinkedIn
How recruiters search an ATS, from vendor docs: exact-match keywords, Boolean strings, skills filters and AI grades in Greenhouse, Workday and LinkedIn.
7 min read - ats optimization
Eightfold AI Resume Tips: How the 0–5 Match Score Works
Eightfold scores each candidate-job pair from 0 to 5 using titles, experience, education and skills. Here is how its AI reads a resume and what to change.
7 min read - ats optimization
Phenom ATS Resume Tips: How Phenom's Fit Score Reads You
Phenom scores candidates on four things: skills, title, experience and location. Here is how to write a resume that Phenom's AI parses and matches correctly.
7 min read - ats optimization
iCIMS Resume Tips: Why Exact Keyword Phrasing Wins (2026)
iCIMS weights exact keyword matches heavily, so phrasing matters more than on other ATSes. How it ranks resumes and tips for the 26 S&P 500 companies that run it — from our original study.
3 min read - ats optimization
Oracle HCM Resume Tips: Why You Should Submit .docx, Not PDF (2026)
Oracle HCM Cloud has the weakest PDF parser of the major ATSes. How it reads resumes, why .docx beats PDF here, and tips for the 29 S&P 500 companies that run it — from our original study.
5 min read - ats optimization
SAP SuccessFactors Resume Tips: The Strictest ATS on Formatting (2026)
SAP SuccessFactors is the least forgiving major ATS on layout. How it parses resumes, the formatting that breaks it, and tips for the 37 S&P 500 companies that run it — from our original study.
3 min read - ats optimization
Greenhouse ATS Resume Tips: How to Apply to the 23 S&P 500 Companies Using It
How Greenhouse parses and surfaces your resume, what recruiters actually see, and tips specific to the 23 S&P 500 companies (Airbnb, Coinbase, Datadog…) that run it — from our original ATS study.
4 min read - research
Which ATS Does Each S&P 500 Company Use? (We Indexed All 503)
Original research: we scraped all 503 S&P 500 careers pages and 9,260 live job postings to map which ATS each company uses and what corporate America actually screens for.
16 min read