10 Resume Mistakes That Are Costing You Job Interviews

I've reviewed over 4,000 resumes in the last five years. The thing that still surprises me? Most rejections aren't about qualifications — they're about small, fixable mistakes that send your application straight to the rejection pile. Here are the 10 most common ones and exactly how to fix each.

1. Typos and Grammar Errors

A single typo can kill your chances. 77% of recruiters say they'd immediately disqualify a candidate over a spelling or grammar mistake. It signals carelessness, and when you're competing against 100+ applicants, "careless" is an easy filter. Fix: read your resume out loud, then run it through Grammarly, then have a friend read it. Three passes minimum. Better yet, run it through a free resume optimizer that catches what spellcheck misses — word repetition, inconsistent tense, and missing periods at bullet ends.

2. Wrong File Format

I still see people sending .pages files, .odt, or even image-based PDFs. The only format that every ATS can parse reliably is a text-based PDF or a .docx file. Anything else and the system literally can't read your resume. If you're not sure whether your PDF is text-based, try selecting the text with your cursor. If you can't highlight individual words, the ATS can't read it either.

3. Including a Photo

In the US, UK, and Canada, photos on resumes are a liability, not an asset. They introduce unconscious bias and legal risk for employers, so many companies auto-reject applications with photos to avoid discrimination claims. The exceptions: certain creative fields in some European and Asian countries. For everywhere else, leave the headshot off.

4. Outdated Contact Information

You'd be amazed how many people change their phone number, email, or city and forget to update their resume. A bounced email or disconnected phone number means the recruiter moves on to the next candidate — they won't chase you. Check that your email address, phone number, and LinkedIn URL are current. And yes, still include a phone number; 62% of recruiters prefer to call first.

5. Listing Every Job Since High School

Your resume is a marketing document, not a biography. Nobody needs to know about your summer job at Blockbuster in 2003. The rule of thumb: go back 10-15 years maximum, and only include roles relevant to the position you're targeting. If a job isn't relevant and it's more than a decade old, cut it. The space is better used for recent, relevant accomplishments.

6. Generic, Buzzword-Filled Language

"Results-driven professional with excellent communication skills" — this means nothing because it could describe anyone. Replace every generic phrase with a specific achievement. Instead of "team player," write "collaborated with a 12-person engineering team to ship a product update that reduced customer churn by 18%." Specifics build credibility; buzzwords erode it.

7. No Keywords From the Job Description

ATS software doesn't understand nuance — it matches keywords. If the job asks for "project management" and your resume only says "managed projects," the system might not connect them. Before applying, paste the job description into an ATS resume checker, then mirror the exact phrases from the posting. Our ATS keywords guide covers this in depth.

8. Using an Objective Instead of a Summary

"Seeking a challenging position where I can utilize my skills" was dated in 2005. Today, a professional summary that states what you bring to the table — in 2-3 lines — performs far better. Tell them who you are, what you've done, and what you're looking for. For more on this, see our breakdown of summary vs. objective.

9. Unprofessional Email Address

"partyguy2007@gmail.com" or "sexybeast89@hotmail.com" will get you laughed at. Create a clean, professional email — firstname.lastname@gmail.com is ideal. It takes five minutes and removes an unnecessary red flag. While you're at it, if your email domain is still @aol.com or @hotmail.com, consider switching to Gmail or Outlook; some recruiters perceive legacy domains as a sign you're out of touch with technology.

10. Inconsistent Formatting

Mixed bullet styles, mismatched date formats, different font sizes in the same section, inconsistent spacing between entries — these scream "I didn't review this before sending." The fix: pick one format and enforce it ruthlessly. All dates should follow the same pattern (e.g., "Jan 2022 – Mar 2024"). All bullets should use the same symbol. Check our formatting guide for a full checklist.

Quick Reference: All 10 Mistakes and Their Fixes

Most of these take under five minutes to fix. Before you hit send on your next application, spend 10 minutes running through this checklist — or use our free ATS resume checker to catch every issue automatically. It scans your resume against 50+ ATS filters and flags exactly what needs fixing.