CareerJun 25, 2026· 6 min read

ATS Resume Keywords: How to Find and Use the Right Ones

Find the keywords an ATS scores your resume on, where they come from, and how to use them naturally without keyword stuffing. With a free resume checker.

Two resumes with the same experience can get very different ATS scores, and the difference is usually keywords. An Applicant Tracking System ranks you partly on how well your wording matches the job description, so the right keywords can be the line between a recruiter seeing you and the software filtering you out.

What are ATS keywords?

ATS keywords are the specific skills, tools, qualifications, and job-title terms a hiring system looks for when it scores your resume against a role. They come straight from the job description: the software pulls out the terms that matter for that position and checks how many appear in your resume, and in what context.

Where to find the right keywords

You do not guess them, you read them off the posting. The job description is the keyword list:

Hard skills and tools: named software, languages, certifications, and methods (for example "Python", "Salesforce", "GAAP", "Scrum").
Repeated phrases: anything mentioned more than once, or listed under "requirements" and "responsibilities", is weighted heavily.
The job title itself: if the role is "Project Coordinator", that exact phrase should appear where it is genuinely true of you.
Qualifications: degrees, licenses, and years of experience stated as requirements.

Use exact matches, not just synonyms

Many systems match literal terms, so "project management" can score higher than "ran projects" even though they mean the same thing. Mirror the posting's exact wording where it is accurate, and include both the spelled-out term and its acronym the first time, like "Search Engine Optimization (SEO)", so you match either version a recruiter searches for.

Place keywords where they count

Spread them across the resume rather than burying them in one block. The strongest places are your skills section, your job titles, and the bullet points describing what you actually did. A keyword sitting inside a real achievement ("cut reporting time 40% by automating the pipeline in Python") carries more weight, and reads better to the human, than a bare list.

Don't stuff keywords

Keyword stuffing, like pasting the whole job description in white text or repeating a term ten times, is easy for modern systems to flag and embarrassing when a recruiter reads it. Use each relevant term once or twice, naturally. The goal is a resume that is both keyword-rich and genuinely readable.

Check your keyword match before applying

You do not have to guess how well you match. Paste your resume and the job description into the ATS Resume Checker and it shows your keyword match percentage and the important terms you are missing, so you can add the ones that genuinely apply before you submit. For the wider picture on formatting and structure, see our guide on how to get your resume past an ATS.

Frequently asked questions

How many keywords should a resume have?

There is no magic number. Cover the key hard skills, tools, and qualifications named in the job description, using each relevant term once or twice. Matching the important terms naturally matters more than hitting a count.

Where do ATS keywords come from?

From the job description. The system pulls the skills, tools, titles, and qualifications that matter for the role and checks how many appear in your resume, so the posting is effectively your keyword list.

Should I use the exact words from the job description?

Yes, where they are true of you. Many systems match literal terms, so mirroring the posting's exact wording (and including both an acronym and its full form) scores better than paraphrasing.

Is keyword stuffing bad for a resume?

Yes. Repeating terms or hiding them in white text is easy for modern systems to detect and looks bad to recruiters. Use each keyword once or twice inside real achievements instead.

How do I know which keywords I'm missing?

Run your resume and the job description through an ATS checker. It compares the two and lists the important terms from the posting that are not yet in your resume.