Resume keywords for ATS

An ATS parses your CV into fields and matches the text against the job description, so placement matters as much as wording. Use the exact terms from the posting, keep a plain skills section, and spell out both the acronym and the full term once. Tables, columns and text inside images are what actually lose content during parsing.

See how it works on live data

Where keywords should live

A dedicated skills section as a plain list: this maps cleanly to the skills field.
Inside job bullets as well, so the term appears with context and dates attached.
The exact string from the posting: write "PostgreSQL" if the posting says PostgreSQL, not just "SQL".
Both forms of an acronym at least once: "CI/CD (GitLab CI)".

Formatting that breaks parsing

Tables and two-column layouts: parsers read them line by line and merge unrelated text.
Text inside images or icons: invisible to the system.
Creative section titles instead of Experience, Skills, Education.
Contacts in the header or footer: many parsers skip those regions.
A PDF exported as a scan with no text layer.

A two-minute self-check

Copy the whole CV into a plain text editor. If the order survives, the ATS reads it the same way.
Compare the posting and your CV side by side: every required technology you genuinely know should appear verbatim.
Never hide keywords in white text — modern systems detect it and a human sees it when the file opens.

FAQ

What is an ATS resume checker?

A tool that simulates how an applicant tracking system parses your CV and reports what it could not read or match. You can approximate the same check manually: copy the CV into a plain text editor and see whether structure and contacts survive.

How many keywords should a resume have?

There is no target count. Cover the required technologies from the posting that you genuinely know, once in the skills section and once in context. Keyword stuffing makes the CV unreadable for the human who sees it after the filter.

Does ATS reject resumes automatically?

Outright automatic rejection is rare. More often the system ranks and filters by match, and an unparseable CV simply sinks to the bottom of the list. The practical outcome is the same: a recruiter never sees it.

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