1The filtering sequence
A job posting at a large employer receives 200–500 applications in the first week. A human recruiter cannot review 500 applications. Here's the actual sequence: automated ATS filtering removes applications that fail minimum requirements or formatting checks (40–60% of applications). Recruiter screen of remaining applications produces a shortlist (another 60–70% removed). Hiring manager review of recruiter shortlist selects interview candidates.
By the time your resume reaches a human, it has already survived two automated or semi-automated filters. Most resume advice optimizes for the human reader without accounting for what happens before the human sees it.
2The ATS filter: what it actually screens for
ATS systems don't "understand" your resume. They extract text from your document, parse it into fields (job title, company, dates, skills, education), and evaluate those fields against minimum requirements set by the recruiter.
A resume that fails to parse correctly will extract garbled or incomplete data — effectively producing a missing-requirements flag on criteria you actually meet. This is the primary cause of well-qualified candidates disappearing at the ATS stage.
3Formatting failures that kill ATS parsing
ATS Formatting — Common Parse Failures
Multi-column layouts
- ATS parsers read left-to-right, top-to-bottom as a single column. A two-column layout produces text that reads as a jumbled mix of left and right column content — job titles next to skills, dates mixed with education.
- Fix: single-column layout only. All content reads in order.
Text boxes and tables
- Content in tables and text boxes is often not extracted at all by ATS parsers. Skills listed in a table may not appear in the parsed skills field. A highlights section in a text box may be entirely invisible.
- Fix: all content in plain text, inline with the document flow.
Graphics, icons, and images
- Proficiency bars (star ratings, percentage bars) are images — not text. An ATS that sees "Python ●●●●○" extracts nothing interpretable. A logo in the header may interfere with name and contact extraction.
- Fix: express skill proficiency in text (e.g., "5+ years professional use") or remove proficiency indicators entirely.
Non-standard section headers
- ATS parsers look for standard section labels: "Work Experience," "Education," "Skills," "Certifications." Creative headers like "Where I've Created Impact" may not be recognized as an experience section.
- Fix: standard section headers. Save creativity for the content.
4After the ATS: the recruiter scan
Resumes that pass ATS then reach a human recruiter. They're viewing the parsed version in their ATS — not your PDF. Your carefully formatted document is now displayed in a standard ATS template. The recruiter sees: name, current title, current company, previous roles, education.
The 6-second scan happens here. If the top of the parsed version doesn't surface relevant experience immediately, the recruiter moves on regardless of what appears further down.
5What to do about it
Two separate optimizations, in sequence. First: ATS formatting compliance (single column, plain text, standard headers, no tables or graphics). Run an ATS formatting check on your current resume. Fix any parsing issues before anything else.
Second: content placement. Most relevant experience and skills in the first third of the document. Current title and recent company names are your first-scan signals — make them count. Skills section above the fold.
Only after both of these: optimize the content itself (action verbs, quantified outcomes, keyword alignment). Content optimization on a poorly-formatted resume is wasted effort.
Written by
Jesse Johnson
Founder, ShouldApply
Founder of ShouldApply. I write about job search strategy, hiring, and how to spend your time on opportunities that actually fit. Full bio →
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Frequently Asked Questions
Run it through a free ATS checker (Resume Worded does formatting analysis on the free tier). Look specifically for parsing warnings about tables, columns, or text boxes — not just keyword overlap. The formatting check tells you whether the document is extracting correctly; the keyword check tells you whether the content matches.
Not two different files — but your formatting should serve both. A clean, single-column resume with strong content placement looks professional to human readers and parses correctly for ATS. The multi-column "creative" format loses on ATS without gaining proportionally on human review.
Most companies above 100 employees use some form of ATS (Greenhouse, Lever, Workday, iCIMS, Taleo). Companies under 100 people sometimes manage applications in email or a spreadsheet — ATS compliance is less critical there. Startups using Greenhouse or Lever are using ATS even at small size. When in doubt, assume ATS.
Yes. Applying through the company careers page routes directly to their ATS with your actual document. Applying through LinkedIn Easy Apply routes through LinkedIn's interface, which may format or summarize your information differently. For serious applications, apply through the company careers page directly.
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