Common Resume Mistakes That Fail ATS (And How to Fix Them)

Your Resume Might Be Perfect and Still Get Rejected

You could have the right experience, the right skills, and a well-written resume. And still never hear back. The problem often isn't your qualifications. It's that the Applicant Tracking System couldn't read your resume properly.

ATS parsing errors are surprisingly common, and they're almost always caused by formatting choices that look fine to a human but confuse the software. Here are the mistakes that trip people up the most, and how to fix each one.

Mistake 1: Using Tables, Columns, or Text Boxes

This is the single most common ATS killer. Two-column layouts look clean on screen, but most ATS parsers read left to right, top to bottom, as if your resume were a single column. When you use tables or columns, the system can merge content from different sections into one line, or skip entire blocks of text.

Text boxes are even worse. Many parsers ignore them entirely, meaning anything inside a text box (your name, your skills section, your contact info) simply doesn't exist as far as the ATS is concerned.

The fix: Use a single-column layout. If you want visual separation between sections, use bold headings and horizontal lines. That's it.

Mistake 2: Putting Contact Info in the Header or Footer

This one catches a lot of people. It seems logical to put your name, email, and phone number in the document header, just like a letterhead. But many ATS systems skip headers and footers during parsing. Your contact details vanish, and the recruiter has no way to reach you even if your resume scores well.

The fix: Put all contact information in the body of the document, at the very top. Name, phone, email, LinkedIn URL, all in regular text.

Mistake 3: Creative Section Headings

"Where I've Made an Impact" instead of "Work Experience." "My Toolkit" instead of "Skills." "The Journey So Far" instead of "Education."

These read well to a person, but the ATS doesn't know what to do with them. It's looking for standard labels to categorize your information. When it can't find "Work Experience," your job history might get filed under the wrong section or ignored entirely.

The fix: Stick with conventional headings: Work Experience, Education, Skills, Certifications, Projects. You can still make your resume stand out through strong content, but the structure should be recognizable.

Mistake 4: Inconsistent or Unclear Date Formats

This mistake is more damaging than most people realize. The ATS uses your employment dates to calculate years of experience, and that number is often used as a filter. If the system can't parse your dates, it may calculate zero years of experience and reject you automatically.

Common problems include using abbreviations with apostrophes ('21 instead of 2021), listing only years without months, mixing formats within the same resume, or using unusual separators.

The fix: Use a consistent format throughout. "January 2022 - March 2024" or "01/2022 - 03/2024" both work well. Pick one and use it for every position.

Mistake 5: Fancy Fonts and Icons

Custom fonts, decorative typefaces, and icon fonts (like using a phone icon instead of the word "Phone") can cause parsing errors. If the ATS doesn't have the font installed, it substitutes characters, and your carefully designed resume turns into a garbled mess. Icon fonts are especially problematic because they often render as empty boxes or null characters.

The fix: Use standard, web-safe fonts: Arial, Calibri, Garamond, Georgia, or Times New Roman. Use text labels instead of icons. If you want visual polish, keep it to font weight and spacing, not novelty typefaces.

Mistake 6: Submitting an Image-Based PDF

There's an important difference between a PDF created from a Word document and a PDF created by scanning a printed page. The first one contains real text. The second one is essentially a photograph. The ATS can't read photographs.

This also applies to resumes designed entirely in Photoshop or Illustrator and exported as flat images. They look beautiful, but the ATS sees a blank page.

The fix: If you open your PDF and can highlight individual words with your cursor, the text is real and parseable. If you can't highlight text, it's an image. Always export from Word, Google Docs, or a text-based design tool.

Mistake 7: Only Using Acronyms (or Only Spelling Things Out)

If the ATS searches for "SEO" and your resume only says "Search Engine Optimization," you won't match. The reverse is also true. The same goes for "CRM" vs. "Customer Relationship Management," "PMP" vs. "Project Management Professional," and dozens of other common abbreviations.

The fix: Include both forms the first time you use a term. "Customer Relationship Management (CRM)" takes a few extra characters but catches both search variations.

Mistake 8: Sending the Same Resume to Every Job

A generic resume can't score well against a specific job description. The ATS compares your resume to the keywords and qualifications in that particular posting. A resume tailored for a marketing role won't score well for a product management position, even if your experience overlaps.

The fix: Adjust your skills section and bullet points for each application. You don't need to rewrite your resume from scratch, but you should swap in the key terms from each job description. Focus on the skills section and the top two or three bullet points for each position.

Mistake 9: Overloading on Soft Skills

"Hard worker," "team player," "excellent communicator," "results-driven." These phrases appear on millions of resumes and carry almost no weight in ATS scoring. The system is looking for specific, searchable skills, not personality descriptors.

The fix: Replace vague soft skills with concrete ones from the job description. Instead of "excellent communicator," try "stakeholder presentations" or "executive reporting." Instead of "team player," use "cross-functional collaboration." Give the ATS something specific to match.

Mistake 10: Hiding Keywords in White Text

This used to work. It doesn't anymore. The idea was to paste the entire job description in tiny white text at the bottom of your resume. The ATS would see the keywords while a human reader wouldn't.

Modern ATS software flags this as manipulation. Some systems reject these resumes automatically. And if a recruiter ever changes the background color of your document (which some do as a spot check), your hidden text becomes very visible.

The fix: There isn't one, because the approach is fundamentally dishonest. Put your keywords in your actual resume content where they belong.

A Quick Pre-Submission Checklist

Before you hit apply, run through this list:

• Single-column layout, no tables or text boxes
• Contact info in the document body, not the header
• Standard section headings (Work Experience, Education, Skills)
• Consistent date format with months and years
• Standard fonts, no icons or decorative characters
• Real text, not a scanned image
• Both acronym and full form for abbreviated terms
• Keywords from the specific job description
• .docx or text-based PDF file format

Most of these fixes take less than ten minutes. And they can be the difference between your resume reaching a recruiter and disappearing into a database that nobody will ever search.