From 54 to 91: Tailoring a software engineer resume
How keyword fixes, bullet rewrites, and JD matching raised an ATS score in under an hour.
Target: +30 ptsLoading...
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Know exactly why your resume gets rejected — before you apply. Our ATS Resume Checker runs 27 real compatibility checks and shows prioritized fixes.
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Drop resume for ATS Resume Checker
Free ATS scan — score & fixes in under 30 seconds
or drag & drop · PDF, DOCX · Max 4MB
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We do not publish made-up testimonials. If ATS Resume OS helped you land interviews or improve your ATS score, we would love to feature your experience — with your permission.
Everything you need to know before your first scan
Yes. Every tool is free with unlimited scans. No credit card, no account, and no weekly caps — unlike most ATS checkers that limit free users to a handful of scans per month.
Upload your resume. Get your ATS score in 30 seconds. Completely free — no signup.
Start ATS Resume Checker →🔒 Your resume is analyzed to generate results, then deleted immediately. We never store your file. Privacy Policy
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Upload your resume, get your ATS score, see missing keywords, and check how optimized your resume is for hiring systems — before a recruiter ever sees it.
Connected free tools — same account, no signup
From first upload to tracked applications — click any step or let it auto-advance
Drop your resume here
PDF or DOCX · Max 4MB · No signup
Success stories
Real before-and-after walkthroughs from job seekers who used ATS Resume OS. We're collecting stories now — yours could be featured.
How keyword fixes, bullet rewrites, and JD matching raised an ATS score in under an hour.
Target: +30 ptsReframing experience and matching PM keywords to pass ATS at mid-size tech companies.
Target: 3× interview rateBuilding an ATS-safe resume from scratch using free templates and the 27-check workflow.
Target: 0 → 5 callbacksImproved your ATS score or landed interviews with ATS Resume OS? Share your story for a future case study →
Professional layouts for every role — pick a style, customize on the Templates page
Senior Software Engineer
alex.chen@email.com · San Francisco, CA
j.whitfield@email.com · Chicago, IL
VP of Operations
Product Designer
maya.patel@email.com · Austin, TX
Growth Marketing Manager
SEO
Google Ads
Analytics
Copywriting
emily.r@university.edu · Boston, MA
Computer Science Graduate
Results-driven professional with strong communication skills.
B.S. Computer Science — GPA 3.8
david.kim@email.com · Seattle, WA
Senior Product Manager
HIPAA · Program Mgmt · Epic · Quality Improvement
Extract keywords, track applications, and draft cover letters — all free, no signup
Job description pasted
Senior Software Engineer — Python, cloud infrastructure, agile teams…
0 priority keywords extracted
Need a resume from scratch? Browse ATS templates or open the full Tools menu.
Honest comparison
Side-by-side with popular alternatives — no marketing fluff, just what you get for free.
| ATS Resume OS | 1MillionResume | Typical Paid | |
|---|---|---|---|
| Free ATS scansNo caps, no credit card | UnlimitedBest | Limited / week | ~5 / month |
| Signup required | NoBest | Yes | Yes |
| ATS checks per scan | 27 checksBest | 18 checks | ~15 checks |
| Connected free toolsChecker, JD Match, Builder, Tracker & more | 9 toolsBest | Few free | Paid add-ons |
| Resume stored on servers | No — browser onlyBest | Varies | Varies |
| JD keyword matching | FreeBest | Pro plan | Extra fee |
| Monthly cost | $0 foreverBest | Pro subscription | ~$49.95/mo |
Free ATS scans
No caps, no credit card
Signup required
ATS checks per scan
Connected free tools
Checker, JD Match, Builder, Tracker & more
Resume stored on servers
JD keyword matching
Monthly cost
No signup · Unlimited scans · See how we score
Learn & improve
SEO-friendly guides and blog posts — structured for easy expansion as we publish more content.
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