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 .

C# Developer

Talan · London, England, gb

C# Developer – London (Hybrid, 3 Days On-Site)

Talan is looking for a talented and driven C# Developer to join a high-performing team in London. This is a hybrid role, with 3 days per week on-site, offering the opportunity to work on cutting-edge financial systems within a global markets environment.

You will play a key role in building and enhancing a distributed, real-time P&L and risk analytics platform used by Fixed Income Rates and FX trading desks globally. This system delivers predictive and live P&L insights, supporting critical trading decisions across international markets.

Working closely with developers, traders, and quantitative teams, you’ll contribute across the full development lifecycle from design and implementation to optimisation and deployment.

What You’ll Be Doing

  • Developing and maintaining scalable .NET/C# services within a distributed streaming architecture
  • Building and supporting real-time data processing systems for P&L and risk analytics
  • Working on out-of-process services, system integrations, and data materialisation layers
  • Driving Agile best practices, including test-driven development (TDD) and automation
  • Collaborating with global teams across EMEA, NY, and APAC
  • Taking ownership of features and proactively proposing improvements
  • Troubleshooting issues and helping unblock cross-team dependencies

Essential Skills & Experience

  • Strong expertise in C# / .NET development
  • Experience with Redis Cluster
  • Solid understanding of TDD and automated testing
  • Experience with CI/CD pipelines
  • Strong communication and stakeholder engagement skills
  • Ability to quickly learn and adapt to new technologies
  • Passion for automation, simplicity, and continuous improvement
  • Strong grounding in computer science fundamentals and design patterns
  • Collaborative team player with a proactive mindset

Desirable Skills

  • Experience with distributed systems, streaming, and messaging (e.g. Rx .NET)
  • Knowledge of performance and memory profiling
  • Experience optimising systems for speed and efficiency
  • Familiarity with modern CI/CD tools and practices
  • End-to-end experience across the full software development lifecycle

 

If you're a passionate C# developer looking to work on complex, distributed systems in a fast-paced environment, we’d love to hear from you.

#TalanUK