AlgoMaster Logo

Common Resume Mistakes

9 min readUpdated June 21, 2026
Listen to this chapter
Unlock Audio

Many resume problems are small, but small problems can still hurt you. A typo, broken link, confusing date, vague phrase, or hard-to-read layout can distract from otherwise strong experience.

Most of these mistakes are easy to fix. The hard part is noticing them, because you already know what you meant to write. A final review helps you slow down and look at the resume the way a new reader will see it.

Three Groups of Resume Errors

This chapter is a final check before you submit. The earlier chapters covered what to include and how to write it. This one is about catching the details that make a resume feel rushed, unclear, or less credible than it should.

The common mistakes usually fall into three groups:

  • language mistakes: typos, grammar issues, awkward phrasing, mixed verb tense
  • credibility mistakes: vague claims, inflated language, skills you cannot explain
  • mechanical mistakes: broken links, inconsistent dates, poor formatting, layouts that are hard to parse

None of these automatically means you are unqualified. But in a fast review, they can reduce trust. A hiring manager may still like your background, but they now have to look past problems that could have been fixed.

The fix is a deliberate review process. Do not rely on one normal read-through. Read in different ways, check links from the final file, and ask someone else to look at it if you can. Fresh eyes catch what familiar eyes miss.

Running a Final Review

Check for typos slowly

Read the resume line by line, then read it backwards one sentence or bullet at a time. This breaks the habit of reading what you expected to see.

Run a spell checker, but do not depend on it completely. It may miss real words used in the wrong place, like "manger" instead of "manager" or "lead" where you meant "led."

Read it aloud

Reading aloud helps you catch awkward phrasing, overly long bullets, and sentences that sound impressive but do not say much.

If you stumble while reading a bullet, the sentence probably needs to be shorter or clearer.

Fix verb tense

Use present tense for your current role and past tense for roles that ended.

Current role:

Past role:

Keep the tense consistent inside each role. Mixed tense makes the section feel less careful.

Remove vague self-praise

Avoid phrases like "passionate," "hard worker," "fast learner," "team player," and "results-driven."

These words are not specific enough to help. Replace them with evidence. Instead of saying you care about performance, show the performance work: "Reduced API latency by 40% by removing duplicate database calls."

Open every link from the exact PDF or file you plan to submit. Check LinkedIn, GitHub, portfolio, project demos, blog posts, and email links.

Make sure the page loads, the URL is clean, and the content still represents you well. A broken link is not a disaster, but it wastes a chance for the reader to see your work.

For GitHub and portfolio links, check what appears first. If the pinned repo, README, or homepage is outdated, fix that before sending the resume.

Standardize dates and headers

Use one date format throughout the resume:

or:

Either can work. The important part is consistency. Job headers should also follow the same pattern each time: title, company, location if useful, and dates.

Keep the layout clean

Avoid photos on US resumes unless the employer or country norm asks for one. Avoid heavy graphics, dense color blocks, icons, rating bars, and unusual templates.

Simple formatting helps both humans and resume parsers. Design-heavy resumes can be appropriate for some design-adjacent roles, but most engineering resumes are stronger when the layout stays quiet and the accomplishments carry the page.

Do one final file check

Before submitting, open the exported file and confirm:

  • the text is selectable
  • the layout did not shift
  • links work
  • file name is professional
  • contact information is correct
  • the resume is the right version for this job

This last check catches the practical mistakes that happen after the writing is done.

Here is a simple final-review process.

Each pass catches a different kind of problem. The goal is not perfection for its own sake. The goal is to remove distractions so the reader can focus on your evidence.

Before and After Cleanup

Vague summaries are common, but they rarely help.

Bad:

Better:

Why the better version works: The first version makes broad claims. The second gives the reader specific evidence. It shows focus, scale, and impact without relying on adjectives.

Now here is a tense and consistency problem.

Bad:

Better:

Why the better version works: The revised version uses past tense for the completed role, present tense for the current role, and one date format across both jobs. The content is easier to trust because the structure is consistent.

Slips to Catch Before Submitting

By the final draft you have read the resume so many times that small errors stop registering, so the items below need a deliberate check rather than another quick scan.

  • Relying on one read-through. You will miss things because the resume is too familiar. Review it in multiple passes.
  • Mixing verb tense. Use present tense for current work and past tense for completed roles.
  • Using vague praise instead of evidence. Replace self-praise with specific accomplishments.
  • Leaving broken links. Check every link from the final file, not just from your editor.
  • Using inconsistent dates and headers. Consistency makes the timeline easier to follow.
  • Over-decorating the resume. Photos, icons, rating bars, and heavy graphics usually distract more than they help for engineering roles.
  • Submitting the wrong version. When tailoring resumes, double-check that the file matches the role before uploading.