What does an ATS do?
An ATS typically:
- Stores applications in a central database
- Parses resume content (headings, dates, skills, job titles)
- Ranks or scores resumes against the job posting (keywords, skills, experience)
- Lets recruiters search, filter, and shortlist candidates
If the system can’t parse your resume correctly (for example, because of tables, columns, or graphics), it may misread or drop content. If your wording doesn’t align with the job description, your score stays low and you’re less likely to appear in the recruiter’s shortlist.
Why it matters for your resume
Resumes that look good to the human eye aren’t always ATS-friendly. Fancy layouts, images, and non-standard sections can break parsing. Even when parsing works, generic wording (“responsible for daily tasks”) doesn’t match the job’s language, so your ranking suffers. Writing and formatting with ATS in mind helps you get past the first filter. For practical steps, see how to make an ATS-friendly resume and how to pass ATS screening.
Common myths
- “There’s one ATS.” There are many vendors (Workday, Greenhouse, Taleo, etc.). Each parses slightly differently, but the same principles apply: clear structure, standard headings, and relevant keywords.
- “Keyword stuffing works.” Overloading with buzzwords can look unnatural and may be flagged. Use terms that actually describe your experience and match the job.
- “Only big companies use ATS.” Mid-size and smaller companies often use ATS too, especially for roles that get a lot of applications.