Key Takeaways

  • 75% of U.S. employers use automated applicant tracking systems to screen resumes before a human reviews them (Harvard Business School & Accenture, 2021)
  • The most common ATS failures are missing keywords, incompatible formatting, and incorrect file types
  • ResumeGeni scores your resume across 8 parsing layers — modeled on the same steps enterprise ATS platforms like Workday, Greenhouse, and Taleo use to evaluate candidates

How ATS Resume Scoring Works

Applicant tracking systems parse your resume into structured data — extracting your name, contact info, work history, skills, and education — then score how well that data matches the job requirements. Many ATS rejections happen because the parser couldn't extract critical fields, not because the candidate wasn't qualified.

LayerWhat It ChecksWhy It Matters
Document extractionFile format, encoding, readabilityCorrupted or image-only PDFs fail immediately
Layout analysisTables, columns, headers, footersMulti-column layouts break field extraction
Section detectionExperience, education, skills headingsNon-standard headings cause sections to be missed
Field mappingName, email, phone, dates, titlesMissing contact info is a common cause of immediate rejection
Keyword matchingJob-specific terms, skills, certificationsKeyword overlap affects recruiter search visibility and ATS scoring
Chronology checkDate ordering, gap detectionReverse-chronological order is expected by most ATS
QuantificationMetrics, numbers, measurable outcomesQuantified achievements help human reviewers and some scoring models
Confidence scoringOverall parse quality and completenessLow-confidence parses get deprioritized in results

Frequently Asked Questions

Is ResumeGeni free?
Yes. ResumeGeni is currently in beta — ATS analysis, scoring, and initial improvement suggestions are free with no signup required. Full guidance and saved reports may require a free account.
What file formats are supported?
PDF, DOCX, DOC, TXT, RTF, ODT, and Apple Pages. PDF and DOCX are recommended for best ATS compatibility.
How is the ATS score calculated?
Your resume is processed through an 8-layer parsing pipeline that extracts structured data the same way enterprise ATS platforms do. The score reflects how completely and accurately your resume can be parsed, plus how well your content matches common ATS ranking criteria.
Can ATS read PDF resumes?
Yes, but not all PDFs are equal. Text-based PDFs parse well. Image-only PDFs (scanned documents) and PDFs with complex tables or multi-column layouts often fail ATS parsing. Our analyzer will flag these issues.
How do I improve my ATS score?
Focus on three areas: use a clean single-column format, include keywords from the job description naturally in your experience bullets, and ensure all sections (contact, experience, education, skills) use standard headings.

ATS Guides & Resources

Built by engineers with 12 years of experience building enterprise hiring technology at ZipRecruiter. Last updated .

Firmware Engineer

Afero · Los Altos, CA

Join Afero and change the world, a gazillion connections at a time! Our vision is to make all the world's devices really smart and truly secure, through innovation and scale. Come make it happen. Afero is the leading PaaS for IoT manufacturers and brands, enabling connected devices to be both smart and secure. Afero built its foundation on security, data privacy, simplicity and ease of use. Today, Afero technology powers millions of devices across more than 1,000 SKUs from 50+ manufacturers, including well known brands like Defiant, Hampton Bay and EcoSmart. Afero has more than 123 patents, one of the largest IoT patent portfolios globally, and was named an 2024 IoT Breakthrough Winner for IoT Security Platform of the Year. Afero is driven by a team of world-class executives and veterans in mobile, hardware, security, consumer and cloud, leveraging experience from Google, Apple, Microsoft, Amazon, Netflix, Disney, Roku and Danger. Afero provides a fantastic opportunity to explore and to expand your expertise while driving product innovation into exciting new ecosystems. To learn more, visit www.afero.io. Why you’ll want to work with us For a small team, Afero engineers collectively do a little bit of everything—from cloud applications and infrastructure to mobile development on multiple platforms, to firmware on a wide range of devices, to board-level hardware design and implementation of secure wireless devices. If you enjoy deep dives into assorted technology stacks to understand end-to-end system workflows, can adapt past experiences to new solutions, and can communicate technical ideas effectively, Afero is a fantastic opportunity to explore and to expand your expertise. What We’re Looking For We want people with passion to build best in class technology, who will drive the evolution and scale of Afero’s platform. The range of disciplines and experience represented at Afero is broad and deep, and everyone on the team contributes meaningfully to our culture and our growth.  We’re looking for builders and problem solvers who will bring perspective and skills to support our success, people with enthusiasm for digging into complexity, creating solutions, and driving effectiveness in a collaborative environment.