ATS Full Form and How Applicant Tracking Systems Work

What does ATS stand for?

ATS = Applicant Tracking System. It is software that companies use to receive, parse, filter, rank, and store job applications.

Which companies in India use an ATS?

• Every Fortune 500 with an India office (Google, Amazon, Microsoft, Meta, Uber, Walmart)
• Indian tech leaders (Flipkart, Zomato, Swiggy, Razorpay, Freshworks, Cred)
• IT services (TCS, Infosys, Wipro, Cognizant, HCL)
• Banks and BFSI (HDFC, ICICI, Kotak, PayPal, Paytm)
• Consultancies (Deloitte, EY, KPMG, PwC, McKinsey, BCG)
• Startups on Naukri, LinkedIn Recruiter, or Instahyre

If you apply online in India, an ATS is between you and the recruiter about 87% of the time.

The 5 things an ATS does with your resume

1. Ingests the file — reads PDF/DOCX and extracts text.

2. Parses fields — separates contact info, sections, dates, companies, titles.

3. Matches keywords — compares your resume against the JD.

4. Ranks candidates — assigns a score, sorts everyone.

5. Delivers a shortlist — the top 20–50 candidates reach a human recruiter.

Popular ATSes used in India

• Workday — most Fortune 500 India offices
• Greenhouse — modern startups
• Lever — mid-stage startups
• Naukri Resdex — Indian corporates using Naukri
• Zoho Recruit — Indian SMBs
• iCIMS — global enterprises

Each behaves slightly differently but all follow the 5 steps above.

What tanks your rank

• Parseable file but wrong keywords → low relevance score.
• Fancy formatting → parsing fails, ranked at bottom.
• Missing contact info → auto-rejected in some systems.
• Job title mismatch → weight penalty.

What lifts your rank

• Exact keyword match with the JD.
• Consistent section headings.
• Quantified bullets.
• Clear reverse-chronological structure.

Check your ATS readiness

Resume Truth simulates how the top 6 ATSes read your file and gives you a 0–100 score in 60 seconds.