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 .

Software Engineer

Harmonic · Palo Alto

About the Company

Harmonic is a startup building the world’s most advanced mathematical reasoning engine, recently achieving Gold Medal-level performance on the 2025 International Math Olympiad (IMO). Backed by some of the world's most prominent investors, we are intentionally scaling our elite technical team.

About the Role

We are looking for a talented Software Engineer to bridge the gap between our AI research and product development teams. This role involves working closely with research scientists to understand their discoveries and advancements in AI, and then applying this knowledge to develop robust, scalable software for real-world applications. The ideal candidate should be passionate about AI technology and experienced in software development.

Key Responsibilities

  • Collaborate with AI research scientists to understand and implement state-of-the-art AI algorithms.

  • Develop and maintain software that incorporates AI technologies into practical applications and products.

  • Ensure the scalability, efficiency, and reliability of software systems.

  • Participate in the entire software development lifecycle, including requirement analysis, design, coding, testing, reviewing, deployment, and support.

  • Write clean, efficient, and well-documented code.

  • Stay updated with the latest trends in software engineering and AI technologies.

  • Support the development of a user facing AI product.

  • Work cross-functionally with product managers, designers, and other engineering teams to deliver high-quality products.

Minimum Qualifications

  • BS in Computer Science, Engineering, or a related field.

  • 2+ years of relevant industry experience.

  • Software development skills with proficiency in one or more programming languages (e.g., Python, C++).

  • Experience scaling and maintaining large scale distributed systems.

  • Experience in software engineering practices including coding standards, code reviews, source control management, build processes, and testing.

  • Familiarity with AI concepts and a keen interest in working with AI technologies.

  • Understanding of algorithms, data structures, and system design.

  • Ability to work in a fast-paced, collaborative environment.

Preferred Qualifications

  • MS or PhD degree in Computer Science, Engineering, or a related field.

  • Prior experience in collaborating with research teams or in a research-driven environment.

  • Experience in developing products from concept to launch.

  • Knowledge of cloud platforms and services (e.g., AWS, Azure, GCP).

  • Experience with containerization and orchestration technologies (e.g., Docker, Kubernetes).

  • Experience with machine learning frameworks (e.g., TensorFlow, PyTorch).

What We Offer

  • Unlimited PTO

  • 401(k) matching

  • 100% employer-paid health, vision, and dental benefits for employees and 50% coverage for dependents. Harmonic offers varied health coverage options to select what is best for you and your family.

  • Health Savings Account (HSA) available for qualifying health plans

Visit our company blog to learn more about what we are working on!

Equal Opportunity Statement

Harmonic is committed to diversity and inclusivity in the workplace. We are an equal opportunity employer and do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, veteran status, disability or any other legally protected status.