The 12 Most Common Resume Mistakes

After reviewing hundreds of resumes, the same twelve mistakes show up over and over. Fixing them takes about 5 minutes each and reliably improves how the resume reads. None of them require rewriting the document.

1. A generic summary

"Results-driven professional with a proven track record" could describe anyone. Replace it with a summary that states scope and one specific achievement, or remove the summary entirely.

2. Responsibilities instead of outcomes

"Responsible for managing the deployment pipeline" describes presence. "Rebuilt the deployment pipeline, cutting deploy time from 90 minutes to 12" describes an outcome. Every bullet should be the second kind.

3. Numbers without context

"Increased revenue by 40%" means nothing without a baseline. 40% of what? From what starting point? Over what period? Every number needs the context to be interpretable.

4. Mixed date formats

"Jan 2020 – March 2023" in one entry, "2020-2023" in another, "Summer 2022" in a third. Pick one format and use it throughout. ATS parsers handle consistent formats; they mangle inconsistent ones.

5. Non-standard section headings

"Career Story", "Professional Journey", "Where I've Worked" — these read as creative to a human and as invisible to an ATS. Use "Experience", "Education", "Skills".

6. Burying the stack

If a tool or technology only appears once in a bullet, the recruiter scanning for keywords will miss it. Put your tools in a Skills section, then use them naturally in prose.

7. Contact details as images or icons

An email icon without the email text is invisible to a parser. A phone icon without a phone number is a wasted line. Use text labels or write the details in plain text.

8. Too many bullets per role

More than five bullets per role is almost always too many. The reader skims, and your strongest bullet loses attention to your weakest. Aim for three for recent roles, two for older ones.

9. Padding the skills section

Listing every technology you have ever touched, from HTML to quantum computing, signals that the section is not filtered. Only list what you would be comfortable being interviewed on.

10. Inconsistent visual hierarchy

Every role having the same weight as the previous one. Every bullet the same length. Every section heading the same size. The reader cannot tell what matters most. Weight the resume toward the last 5 years.

11. No evidence of the target role

A resume that describes what you have done without reference to what you want to do is a resume without direction. If the role requires specific capabilities, at least one bullet should demonstrate each of them.

12. Zero typos, at least one pass

The most avoidable mistake is also the most common. Read the resume backward, then forward, then have someone else read it. Every typo is data that the candidate did not take the job seriously enough to proofread.