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 .

Senior Software Engineer

Certifyos · New Delhi

About Certify :
At CertifyOS, were building the infrastructure that powers the next generation of provider data products, making healthcare more efficient, accessible, and innovative. Our platform is the ultimate source of truth for provider data, offering unparalleled ease and trust while making data easily accessible and actionable for the entire healthcare ecosystem.

What sets us apartOur cutting-edge, API-first, UI-agnostic, end-to-end provider network management platform automates licensing, enrollment, credentialing, and network monitoring like never before. With direct integrations into hundreds of primary sources, we have an unbeatable advantage in enhancing visibility into the entire provider network management process. Plus, our team brings over 25+ years of combined experience building provider data systems at Oscar Health, and were backed by top-tier VC firms who share our bold vision of creating a one-of-a-kind healthcare cloud that eliminates friction surrounding provider data.

But its not just about the technology; its about the people behind it. At Certify, we foster a meritocratic environment where every voice is heard, valued, and celebrated. Were founded on the principles of trust, transparency, and accountability, and were not afraid to challenge the status quo at every turn. Were looking for purpose-driven individuals like you to join us on this exhilarating ride as we redefine healthcare data infrastructure.

About the Role
We are seeking a Senior Software Engineer to help scale our core platform and accelerate product delivery. You will build high-quality systems, influence architecture, and improve reliability and performance across our applications.

What You ll Do
Own end-to-end delivery of features (design deployment support)
Build scalable, maintainable systems for evolving product needs
Partner with product to clarify requirements and deliver practical solutions
Improve reliability and code quality through strong engineering practices
Participate in on-call rotation and contribute to operational excellence

What We re Looking For
    • 5+ years building and maintaining production-grade systems
    • Strong problem-solving skills and comfort with ambiguity
    • Ability to independently define solutions and contribute to architecture
    • Track record of shipping high-quality software in fast-paced environments
    • Strong engineering fundamentals (testing, clean code, maintainability)
    • Experience improving system performance and reliability
    • Strong written/verbal communication and cross-functional collaboration
    • Strong code review skills and a mindset of raising engineering standards
    • Willingness to participate in on-call and incident response
    • Experience working with sensitive data and security best practices (PII)
    • Experience with AI tools such as Cursor, Claude Code and MCP servers.

Nice to Have
    • Experience with microservices or distributed systems
    • Experience building data-intensive or large-scale platforms
    • Familiarity with healthcare, compliance, or regulated environments
    • Experience with Master Data Management (MDM) or entity resolution systems
    • Experience reducing technical debt through iterative refactoring
    • Experience improving developer productivity through CI/CD and tooling

Technologies & Tools
    • Google Cloud Platform (GCP)
    • Java (Java 21 preferred) with Quarkus
    • React / TypeScript
    • REST APIs and distributed systems
    • Docker and Kubernetes
    • CI/CD (GitHub Actions)
    • Monitoring and alerting tools (e.g., Sentry)
    • Data platforms (Spanner, BigQuery)
    • Kafka
    • AI Tools (Cursor, Claude Code, Codex)

At Certify, were committed to creating an inclusive workplace where everyone feels valued and supported. As an equal opportunity employer, we celebrate diversity and warmly invite applicants from all backgrounds to join our vibrant community.