CV mistakes guide showing common resume errors and how to avoid them
CV Tips
James Wilson
August 4, 2025
7 min read
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10 Critical CV Mistakes That Are Costing You Job Interviews

James Wilson

James Wilson is a senior recruitment consultant and CV expert with over 15 years of experience reviewing resumes and helping candidates optimize their job applications.

CV Mistakes
Job Interview
Recruitment Tips
Resume Errors
Job Search

Your CV is often the first impression you make on potential employers, and unfortunately, many qualified candidates are missing out on interviews due to avoidable mistakes. After reviewing thousands of CVs and speaking with hiring managers across various industries, we've identified the most common errors that could be sabotaging your job search. Here are the 10 critical CV mistakes you must avoid to maximize your interview opportunities.

1. Generic, One-Size-Fits-All CVs

The Mistake: Sending the same CV to every job application without customization.

Why It's Costly: Recruiters can immediately tell when a CV hasn't been tailored to their specific role. Generic CVs fail to address the unique requirements of each position and don't demonstrate genuine interest in the company or role.

The Fix:

  • Customize your professional summary for each application
  • Adjust your skills section to match job requirements
  • Reorder bullet points to highlight most relevant experience first
  • Include company-specific keywords from the job description
  • Research the company culture and adjust your tone accordingly

2. Weak or Missing Professional Summary

The Mistake: Starting your CV with a vague objective statement or skipping the summary entirely.

Why It's Costly: Recruiters spend an average of 6 seconds scanning a CV initially. A weak opening fails to capture attention and communicate your value proposition immediately.

The Fix:

  • Write a compelling 3-4 line summary highlighting your key achievements
  • Include specific metrics and quantifiable results
  • Mention your years of experience and core competencies
  • Align your summary with the target role requirements
  • Use action-oriented language that demonstrates impact

3. Focusing on Duties Instead of Achievements

The Mistake: Listing job responsibilities rather than showcasing accomplishments and impact.

Why It's Costly: Employers want to know what you achieved, not just what you were supposed to do. Duty-focused CVs fail to differentiate you from other candidates with similar roles.

The Fix:

  • Start bullet points with strong action verbs
  • Include specific numbers, percentages, and metrics
  • Show before-and-after scenarios when possible
  • Highlight awards, recognition, and promotions
  • Demonstrate problem-solving and innovation

4. Poor Formatting and Design Choices

The Mistake: Using outdated fonts, inconsistent formatting, or overly creative designs that distract from content.

Why It's Costly: Poor formatting makes your CV difficult to read and can cause ATS systems to parse your information incorrectly. Unprofessional design choices can create negative first impressions.

5. Including Irrelevant or Outdated Information

The Mistake: Adding personal details, hobbies, or very old work experience that doesn't support your candidacy.

Why It's Costly: Irrelevant information takes up valuable space and can distract from your key qualifications. It may also reveal information that could lead to unconscious bias.

6. Spelling and Grammar Errors

The Mistake: Submitting CVs with typos, grammatical errors, or inconsistent language.

Why It's Costly: Errors signal lack of attention to detail and professionalism. Many recruiters will immediately discard CVs with obvious mistakes.

7. Inadequate Contact Information

The Mistake: Using unprofessional email addresses, missing phone numbers, or outdated contact details.

Why It's Costly: If recruiters can't reach you easily or your contact information seems unprofessional, you'll miss opportunities.

8. Lack of Keywords for ATS Optimization

The Mistake: Failing to include relevant keywords that Applicant Tracking Systems scan for.

Why It's Costly: Over 98% of Fortune 500 companies use ATS to screen CVs. Without proper keywords, your CV may never reach human eyes.

9. Inappropriate Length

The Mistake: Creating CVs that are either too short (lacking detail) or too long (overwhelming with information).

Why It's Costly: CVs that are too short may seem like you lack experience, while overly long CVs can lose the reader's attention and bury important information.

10. Missing or Weak Skills Section

The Mistake: Omitting a skills section or listing generic skills without context or proficiency levels.

Why It's Costly: Skills sections help with ATS scanning and allow recruiters to quickly assess your technical capabilities. Weak skills sections miss opportunities to showcase relevant competencies.

The Cost of CV Mistakes

Research shows that:

  • 76% of CVs are rejected due to spelling and grammar errors
  • 68% of recruiters spend less than 2 minutes reviewing each CV
  • 54% of CVs are eliminated for being too generic
  • 43% of hiring managers reject CVs with poor formatting
  • 39% of applications are filtered out by ATS due to missing keywords

Avoiding these critical CV mistakes can dramatically improve your interview success rate. Remember that your CV is a marketing document designed to showcase your value and secure interviews. Invest the time to craft a polished, targeted, and error-free CV that positions you as the ideal candidate for your dream role.

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