ATS Basics
In-depth understanding of how Applicant Tracking Systems work and their screening mechanisms
What is an ATS System?
An Applicant Tracking System (ATS) is a software application used to manage the recruitment process. It helps employers automate the resume collection, screening, and management process to quickly identify suitable candidates from a large number of job applications.
ATS systems use keyword matching, format recognition, and content analysis technologies to preliminarily screen received resumes. Only resumes that pass the system screening will be reviewed by HR departments or hiring managers.
ATS Resume Terms, Explained
The same idea appears under different names in job ads. Here is what each one means.
A resume formatted and worded so an Applicant Tracking System can parse every section correctly.
Uses standard headings, simple formatting and relevant keywords so the ATS reads it without errors.
Follows the parsing rules of common ATS platforms: single column, no text boxes, standard section titles.
Opens and parses correctly across ATS vendors such as Workday, Greenhouse and Taleo.
Mirrors the job description keywords so the resume ranks higher inside ATS screening.
Passes every common ATS check by design: format, keywords and file type.
ATS System Workflow
Resume Reception
Job seekers submit resumes through company websites, job platforms, or email, and the ATS system automatically receives and stores all applications.
Content Parsing
The system parses resume content, extracting key information such as name, contact details, work experience, education, skills, etc.
Keyword Matching
Matches resume content with keywords in the job description, calculating relevance and match scores.
Scoring & Ranking
Scores each resume based on match rate, ranks them by score, and prioritizes high-scoring resumes for recruiters.
Human Review
Recruiters review resumes that passed initial screening for further evaluation and selection.
Common ATS Systems
Enterprise ATS
- • Workday
- • SAP SuccessFactors
- • Oracle Taleo
- • IBM Kenexa
- • Cornerstone OnDemand
SMB ATS
- • Greenhouse
- • Lever
- • BambooHR
- • JazzHR
- • SmartRecruiters
What Does an ATS-Friendly Resume Look Like?
Check your resume against this list to know if it is ATS friendly.
Passes ATS screening
- ✓Single-column layout with standard headings (Experience, Education, Skills)
- ✓Plain .docx or text-based PDF file
- ✓Job titles and dates in plain text, not inside tables or text boxes
- ✓Keywords from the job description in your skills and bullet points
- ✓Standard fonts (Arial, Calibri, Helvetica) at 10-12pt
- ✓Acronyms spelled out with the abbreviation, e.g. Search Engine Optimization (SEO)
Gets rejected
- ✗Columns, tables, headers/footers or text boxes that scramble parsing order
- ✗Graphics, icons or photos replacing real text (skills as bar charts)
- ✗Fancy fonts, emojis or special characters the ATS cannot map
- ✗Creative section names instead of standard ones
- ✗Resume saved as an image or scanned PDF with no text layer
- ✗Missing dates or job titles the ATS needs to build your work history
Not sure about yours?
The SmartCV editor scores your resume against ATS rules as you write and shows exactly what to fix.
Build an ATS-friendly resumeATS Screening Statistics
of resumes are automatically filtered by ATS systems and never seen by humans
average time HR spends reviewing each resume
average number of applications received per job posting
Why Do You Need ATS Optimization?
✅ Benefits After Optimization
- •Increase chances of passing initial screening
- •More opportunities to be reviewed by HR
- •Receive more interview invitations
- •Shorten job search period
❌ Risks Without Optimization
- •Resume automatically filtered out
- •Applications disappear without response
- •Miss dream job opportunities
- •Extended job search timeline
ATS Resume FAQ
▸What is an ATS resume?
It is a resume built so an Applicant Tracking System can read every section: single column, standard headings, plain text and the keywords of the job you apply to.
▸What does an ATS resume look like?
Simple on purpose: one column, standard section titles, plain-text dates and job titles, a common font. The checklist above shows every rule.
▸How do I know if my resume is ATS friendly?
Run it against the checklist above, or write it in the SmartCV editor, which scores your resume against ATS rules live and flags what to fix.
▸Where can I get free ATS resume templates?
The SmartCV template library includes ATS-friendly layouts you can preview and export for free. Start from the Templates page.
▸Is a Word (.docx) file ATS friendly?
Yes. A simple, single-column .docx is one of the safest formats for parsing. See the Formatting guide for file-type details.
▸What does ATS tracking mean on a job post?
It means applications go through an Applicant Tracking System that parses and ranks resumes before a recruiter reads them.
▸Do all companies use an ATS?
Most mid-size and large companies do, while small teams may read resumes directly. An ATS-friendly resume is safe in both cases.
▸Do resumes that pass ATS look boring?
No. ATS-friendly means clean structure and plain text, not no design. SmartCV templates stay readable to ATS while still looking professional.