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 .

Early careersBack

Costain · United States

We have a vibrant, challenging and growing business – an environment that provides learning, growth and development opportunities for all

If you are starting out in your career, or looking for the next stage in your development, we offer apprenticeships, graduate programmes, internships and short-term work experience opportunities.

We work with a number of organisations, including the Prince’s Trust, to help ensure that our opportunities are open to everyone and we’re here to support you in your career aspirations.

Our graduates and apprentices are all encouraged to undertake professional development through our accredited professional awarding bodies, such as the Institution of Civil Engineers, Institution of Chemical Engineers, Institution of Mechanical Engineers, Chartered Institute of Personnel and Development and many others.

49%

of our 2025 graduate cohort are BAME

36%

of our 2025 graduate cohort are female

>5%

of our work force are in ‘earn and learn’ positions as recognised by The 5% Club

Want to know more?

Graduate roles

Our graduate programme enables graduates to hone their technical skills, learn about our business, develop business acumen and build personal and technical competencies to fast track their professional journey to chartership.

The programme also offers a unique opportunity to rotate around the different parts of Costain.

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Apprenticeships

Our apprentice programmes gives apprentices the chance to continue working towards a recognised qualification, from level 2 up to level 7, whilst gaining work experience alongside highly skilled people who are eager to help them develop and grow their skills in the discipline of their choice.

Find out more

Internships

If you are currently studying at university and looking to enter the industry for the first time, our internship programme gives you experience of what it’s like to work in our industry. You’ll learn vital interpersonal skills such as teamwork, communication and problem solving as well as becoming an integral part of the project team.

Internships are paid, can vary in length, and can lead to a permanent role with Costain.

Take a look at the process

Benefits

We know it's important to have a range of benefits that support you personally and professionally. We offer core benefits available to all, and dedicated benefits to support all aspects of life at work:

  • Looking after you - generous annual leave (including your bithday off work), holy festival leave, discounts on our Costain Lifestyle platform, private healthcare and dental packages and access to a 24/7 Employee Assistance Programme
  • Looking after your finances - up to 10% matched pension scheme, optional sharesave scheme, season ticket loans, life assurance and discounted gym membership
  • Looking after your development - training and study assistance, volunteering days, professional membership subscription and structured development programmes to support your goals and aspirations.
Discover our full range of benefits