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 Full Stack Engineer

Mdcalc · Remote

The Opportunity

Since 2005, MDCalc has been an essential part of clinicians’ practice. Often introduced during medical school or residency, MDCalc has become one of the most trusted and used clinical decision support platforms; used by more than 65% of physicians worldwide. Trust, authority, and accuracy fuel a portfolio of over 800 tools, scores, calculators, and assessments that clinicians of over 50 specialties rely on to help them achieve better outcomes for over 200 patient conditions. This wide use and integration within the clinical workflow has established MDCalc as a preeminent HCP platform and a fixed resource at the point of clinical decision-making.

To continue to further accelerate and steward this growth, we are seeking a Senior Full Stack Developer on our expanding tech team. This role will be critical to MDCalc’s expanded success in continuing to support our millions of clinical users worldwide in taking care of hundreds of millions of patients.

The Role

  • Serve as a senior team member contributing to and helping guide the delivery of high quality software products.

  • Assume ownership and responsibility of all work, and drive it to completion.

  • Collaborate with technical and non-technical team members to ensure rapid delivery of software products.

  • Provide contributions to architecture and design decisions that have a major impact on the overall system scalability and performance.

  • Champion software engineering best practices, including code reviews, testing, documentation, and code quality standards.

  • Lead by example, demonstrating a commitment to excellence, professionalism, and collaboration in all aspects of software development and team interactions.

Your Background

  • Bachelor's or Master's degree in Computer Science, Engineering, or a related field (or equivalent experience)

  • Strong proficiency in React, React Native, NextJS, Express, and Postgres with experience in building scalable, distributed systems and web applications

  • Experience with the following:

    • Consumer/Public Websites, Mobile Applications, Amazon AWS

    • Terraform, Go, Docker, and BitBucket

  • Excellent communication and interpersonal skills with the ability to effectively collaborate with cross-functional teams while rolling up sleeves to get in the details

  • Deep understanding of software engineering principles, system architecture concepts to provide technical guidance and refinement of product specs and tickets

  • Knowledge of the healthcare industry and previous experience working in health tech is a plus

What MDCalc offers:

  • Ability to make a true difference in medicine: MDCalc is the most broadly used medical reference by physicians, used by over 65% of US attending doctors weekly

  • Medical, Dental, & Vision Coverage, with option to extend to your dependents

  • Company-sponsored short-term insurance

  • Fully-paid 8 week parental leave, after 6 months of employment

  • Company-sponsored 401k, after 3 months of employment

  • Unlimited vacation for salaried roles - we trust you to take the time you need

  • Tri-annual company offsites to connect, reflect, and plan together (most recently in Asheville and Mexico City)

  • Work from home monthly stipend

  • Hybrid work environment with a great team office in Greenwich Village, NYC

  • A culture of fun and motivated team members who believe in a greater mission here at MDCalc