ATS (Applicant Tracking System)
An ATS is software that employers use to collect, sort, scan, and rank job applications before a human recruiter reviews them.
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ATS (Applicant Tracking System)
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What it means
An Applicant Tracking System (ATS) is enterprise software that automates the hiring workflow from job posting through candidate selection. Employers use an ATS to manage the high volume of applications they receive — often hundreds or thousands per open role — by parsing resumes, extracting structured data, and filtering candidates against job requirements.
When you submit your resume online, the ATS converts it into a structured profile by extracting your contact information, work history, education, and skills. It then scores or ranks your profile against the job description's requirements. Recruiters typically review only the top-ranked candidates, meaning a poorly optimized resume may never reach human eyes.
Most Fortune 500 companies and a growing number of mid-size employers use an ATS. Popular platforms include Workday, Greenhouse, Lever, Taleo, and iCIMS. Understanding how these systems work is essential for any modern job seeker, because the formatting choices you make — file type, layout, section headings, and keyword usage — directly affect whether your resume passes through the automated screening stage.
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Related terms
5 connections
01
ATS Score
An ATS score is a numerical rating that indicates how well a resume matches a specific job description based on keyword relevance and qualification alignment.
02
ATS-Friendly Format
An ATS-friendly format is a resume layout designed to be accurately read and parsed by Applicant Tracking System software without losing or scrambling content.
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ATS Parsing
ATS parsing is the process by which an Applicant Tracking System extracts and categorizes information from a resume into structured, searchable data fields.
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Keyword Optimization
Keyword optimization is the practice of strategically incorporating relevant terms from a job description into a resume to improve ATS matching and recruiter relevance.
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Resume Screening
Resume screening is the evaluation process where ATS software and recruiters filter applications to identify candidates who meet a job's minimum qualifications.