Common ATS Resume Mistakes

Even highly qualified candidates get rejected by ATS when their resume contains formatting or structural issues. Here are the most common mistakes and how to fix each one.

Mistake 1: Using Tables and Columns

Multi-column layouts and tables are the #1 cause of ATS parsing failures. When an ATS encounters a table, it may read across rows instead of down columns, mixing your job titles with your education dates.

Fix: Use a single-column layout. If you need to display information side-by-side, use tabs instead of table cells.

Mistake 2: Including Graphics and Images

Headshot photos, company logos, skill bars, icons, and infographic elements are invisible to ATS. Any information embedded in images is completely lost during parsing.

Fix: Remove all images. Replace graphical skill bars with a simple text list. Use text characters for bullet points.

Mistake 3: Creative Section Headings

Using headings like "Where I've Made Impact" instead of "Experience" or "My Toolkit" instead of "Skills" causes the ATS to miss entire sections of your resume.

Fix: Use standard headings: Experience, Education, Skills, Summary, Certifications.

Mistake 4: Missing Keywords

Submitting a generic resume without tailoring it to the job description. The ATS is looking for specific terms from the posting, and a generic resume will always score lower than a tailored one.

Fix: Analyze each job description and incorporate relevant keywords naturally throughout your resume.

Mistake 5: Wrong File Format

Submitting resumes as .pages, .odt, image PDFs, or older .doc format can result in complete parsing failure.

Fix: Save as DOCX (most reliable) or text-based PDF. Test by copying text from your PDF — if you can't select text, it's an image PDF.

Mistake 6: Inconsistent Date Formatting

Mixing date formats (01/2020, January 2020, 2020-01) confuses ATS parsers trying to calculate employment duration.

Fix: Use one consistent format throughout: "Jan 2020 - Present" or "January 2020 - Present".

Mistake 7: Missing Contact Information

Some resume templates place contact info in headers, sidebars, or graphical elements that ATS can't parse.

Fix: Place your name, email, phone, and LinkedIn in the main body text at the top of the document.

Mistake 8: Keyword Stuffing

Cramming keywords unnaturally or hiding keywords in white text. Modern ATS systems can detect both, and recruiters will immediately notice awkward phrasing.

Fix: Incorporate keywords naturally within your experience descriptions and achievements.

Mistake 9: Using Abbreviations Only

Writing "ML" instead of "Machine Learning," or "PM" instead of "Project Management." Not all ATS expand abbreviations.

Fix: Spell out terms fully at least once, with the abbreviation in parentheses.

Mistake 10: Overdesigned Templates

Premium resume templates with colored backgrounds, sidebar designs, and creative layouts look great but parse terribly in ATS.

Fix: Use these templates for networking and portfolio. Create a clean ATS version for online applications.