An Applicant Tracking System, or ATS, is software that manages hiring from the job requisition to the offer. It stores every candidate and application in one place, moves people through defined pipeline stages, and keeps the notes, scorecards and communications attached to each profile so nothing lives in one recruiter’s inbox.

What an ATS handles

• Job requisitions and approvals
• Careers page, job board posting and referral capture
• Resume parsing and a searchable candidate database
• Pipeline stages: screening, interviews, assessments, offer
• Interview scheduling, feedback forms and scorecards
• Offer management and handover to onboarding
• Hiring metrics: time to hire, source effectiveness, funnel conversion

What candidates should know

An ATS does not silently reject you with a hidden score. It does make recruiters’ searches faster, so a resume that clearly states the role, skills and outcomes in plain text, without tables or images that parse badly, is easier to surface. Keeping formatting simple helps the parser index your experience correctly.

Frequently asked questions

Is an ATS the same as an HRMS?

No. An ATS covers pre-hire recruitment. An HRMS covers employees once they join. Many suites include both and pass the hired candidate from one to the other.

Do small companies need an ATS?

Once you are running several roles at once or hiring through multiple channels, an ATS stops candidates falling through the cracks and gives you real funnel data.

Does an ATS post to job boards automatically?

Most integrate with major job boards and your careers page, so one requisition publishes to several places and applications flow back into the pipeline.

See our applicant tracking system and recruitment software overviews, our guide to the recruitment life cycle, and the Cost Per Hire Calculator for the economics of hiring.