ATS (Applicant Tracking System) Guides
How applicant tracking systems actually work, and the specific formatting choices that help — or hurt — your resume's chances of being read correctly.
The basics
How an ATS Actually Works
An Applicant Tracking System is software many mid-size and large U.S. employers use to collect, store, and organize resumes. When you submit a resume, the ATS attempts to parse it into structured fields — name, contact info, work history, skills — and often ranks or filters candidates based on keyword matches to the job posting before a person ever opens the document. A resume the system can't parse correctly may never reach a recruiter's queue at all, regardless of how qualified the candidate is.
Formatting rules
Formatting Rules That Help (and Hurt) ATS Parsing
Keywords
Keyword Matching Without Keyword Stuffing
Pull the specific skills, tools, and qualifications from the job posting itself, then use that same terminology naturally within your actual experience bullet points — not as a separate wall of repeated keywords. A resume that lists "Python" forty times without context reads as spam to a human reviewer even if it scores well on a keyword match, and many modern ATS platforms are built to flag exactly that pattern.
By industry
ATS Considerations Vary by Industry
Technical ATS filters often match on exact tool and framework names, while healthcare and finance systems frequently screen for licenses, certifications, and credential details. See how we approach ATS formatting for specific fields:
Questions
ATS FAQs
No — no one can guarantee that, since every employer configures its ATS differently. What good ATS formatting does is give your resume the strongest realistic chance of being parsed and ranked correctly.
Most modern ATS platforms accept both .docx and PDF. If a job posting specifies a format, follow it; otherwise, either is generally safe as long as the underlying formatting is clean.
For many ATS platforms, yes. Some systems read left-to-right across the page and can scramble the text order in a two-column layout, or fail to extract it at all.
Standard, widely supported fonts (like Calibri, Arial, or Georgia) parse more reliably than decorative or unusual fonts, which some systems fail to read correctly.
Not Sure If Your Resume Is ATS-Friendly?
Send it over and we'll tell you honestly what it needs.