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10 Common Resume Mistakes That ATS Filters Catch

Jan 15, 20265 min read

Applicant Tracking Systems (ATS) are used by over 95% of Fortune 500 companies to filter resumes before they reach a human recruiter. Here are the most common mistakes that get your resume rejected.

1. Using the Wrong File Format

While PDFs preserve formatting, some older ATS systems cannot parse them. Always check the application instructions. When in doubt, use .docx format.

2. Missing Keywords from the Job Description

ATS systems scan for keywords matching the job description. If your resume lacks these terms, it will be filtered out. Study the job posting and incorporate relevant keywords naturally.

3. Overcomplicating Formatting

Tables, columns, text boxes, and graphics can confuse ATS parsers, causing scrambled or missing text. Stick to a simple, single-column layout.

4. Using Uncommon Section Headers

Stick with standard headers like "Work Experience," "Education," and "Skills." Creative headers like "Where I've Been" may not be recognized.

5. Submitting Without Customization

Sending the same resume to every job is the fastest way to get rejected. Tailor your resume to highlight the experience most relevant to each role.

6. Forgetting Contact Information

Ensure your name, phone number, email, and LinkedIn profile are clearly visible at the top. ATS systems extract this for recruiter review.

7. Using Abbreviations Without Full Forms

Spell out acronyms like "SEO" or "CRM" at least once. The ATS may only recognize the full form, but recruiters will appreciate clarity.

8. Neglecting Your LinkedIn Profile

Many ATS systems cross-reference applications with LinkedIn. Ensure your profile matches your resume and is fully completed.

9. Including Irrelevant Information

Remove outdated skills, unrelated jobs, and personal details like age or marital status. Keep the focus on what matters for the role.

10. Skipping the Proofread

Typos and grammatical errors are not only caught by recruiters but can also confuse ATS keyword matching. Always proofread before submitting.

Final Thoughts

The key to passing ATS screening is a clean, keyword-optimized resume that prioritizes readability for both machines and humans. Use ResuMatch to analyze your resume and get a personalized ATS score with specific improvement suggestions.