Common Resume Mistakes: Why Resumes Get Rejected and How to Avoid Them

Posted On 28-10-2026

Applying to many jobs and receiving only a few interview calls feels discouraging. The resume often holds the answer. A resume (or CV) can fail to show relevance even when the candidate has the required skills.

The common resume mistakes in this guide include poor formatting, irrelevant details, weak descriptions, missing job description keywords and unverified claims. An Applicant Tracking System (ATS) is recruitment software used to manage and process job applications. Employers may use an ATS, recruiter review or both.

This guide shows why resumes get rejected, lists resume mistakes to avoid and shares resume tips for freshers building a resume for IT jobs.

Table of Contents

• Why Do Resumes Get Rejected?

• 10 Common Resume Mistakes to Avoid

• Common Resume Mistakes Freshers Should Avoid

• Common Resume Mistakes by Section

• Resume Mistakes: Before-and-After Examples

• How to Make Your Resume ATS-Friendly Without Over-Optimizing

• What Resume Format Should You Use?

• Resume Self-Audit Checklist Before Applying

• Resume Mistakes That Can Hurt IT Freshers Specifically

• Key Takeaways

• Frequently Asked Questions

• Final Takeaway

Why Do Resumes Get Rejected?

A resume gets screened out or overlooked when it shows weak alignment with the job requirements, uses hard-to-parse formatting, includes irrelevant information, offers little evidence of skills or carries errors. Knowing why resumes get rejected helps candidates fix the right areas. These resume rejection reasons also explain why a resume with relevant skills can still get rejected. Screening steps vary by employer and recruitment process.

What Happens During Resume Screening?

Resume screening usually follows these stages:

1. Application submission

2. Resume parsing

3. Employer-defined filtering or search

4. Recruiter review

5. Hiring manager review

A resume parser is a tool that converts resume text into structured candidate data. An ATS supports resume parsing, candidate database management, keyword search, filtering, application tracking and recruitment workflows. ATS screening and recruiter screening outcomes depend on each employer’s software configuration. Many hiring teams combine both for candidate screening.

10 Common Resume Mistakes to Avoid

Each mistake follows one pattern: why it matters, an example and a fix. These points cover resume mistakes for freshers and experienced applicants alike.

1. Using the Same Resume for Every Job

Why it matters: A generic resume shows weak relevance to the job role. A recruiter spots key skills slowly.

Example: Full Stack development covers front-end, back-end and database work, so a Full Stack learner can apply for openings in any of these three areas. Weak: a candidate trained in Python Full Stack development sends a generic “Python Full Stack Developer” resume to a Front-End Developer opening. The application may still get shortlisted, yet it will likely rank near the bottom of the list. Better: a resume tailored to the opening that highlights front-end technologies and front-end projects, which raises the chance of shortlisting significantly.

Fix: Maintain a master resume for your Python Full Stack Developer training, then adjust it to match each job you apply for. Highlight front-end development skills for a front-end developer role and database skills for a database developer role. Build a job-specific resume for every application. Follow this chain: Job description → relevant keywords → resume customization → recruiter relevance. A customized resume helps a candidate stand out.

2. Using Poor or Cluttered Resume Formatting

Why it matters: Resume parsers and recruiters both need readable content. Resume formatting mistakes and ATS-related errors can make strong skills harder to notice. 

Example: Weak: two columns, text inside images, decorative icons and mixed typography. Better: a single-column resume layout with standard headings and consistent fonts.

Fix: Choose an ATS-friendly resume template with selectable text and simple document formatting. The goal is content that humans and machines both read easily.

3. Adding Too Much Irrelevant Information

Why it matters: Relevance beats volume. Irrelevant information on resume pages hides the strongest points. Common examples include unrelated work experience and long personal details.

Example: Weak: an unrelated summer job and outdated software skills. Better: Focus on education, projects and qualifications that match the job role.

Fix: Keep entries that match the job. Remove outdated skills from the candidate profile.

4. Writing a Generic Resume Summary or Objective

Why it matters: A line such as “Seeking a challenging position in a reputed organization” gives little role-specific detail. These resume objective mistakes are easy to fix.

Example: Better: “Entry-level Python Full Stack Developer with hands-on experience in Python, Django, MySQL and front-end development using HTML, CSS and JavaScript.”

Fix: Write a professional summary with target role, skills, projects, domain and evidence. This suits a fresher resume and a resume summary for freshers. Replace the career objective with this summary.

5. Ignoring Keywords From the Job Description

Why it matters: Resume keywords link the candidate profile to the role. ATS keywords also support search inside recruitment software.

Example: A Python Full Stack Developer job posting lists Python, Django, REST APIs, MySQL, HTML, CSS, JavaScript and Git.

Fix: Pick skills, tools and role terms from the job description keywords. Place them naturally for resume keyword optimization, and keep repetition low.

6. Listing Responsibilities Over Achievements

Why it matters: Responsibilities describe duties. Resume achievements describe outcomes in work experience.

Example: Weak: “Looked after social media pages.” Better: “Ran social media promotions and reviewed audience responses to see how well they worked.” 

Fix: Use Task → Action → Result for each resume bullet point. Quantify achievements with genuine KPIs and metrics. Recruiters value resume accomplishments that show performance.

7. Making Spelling, Grammar, and Formatting Errors

Why it matters: Resume errors signal weak professional communication.

Example: Typos, inconsistent punctuation, mixed date styles, different font sizes, wrong capitalization and broken links. Grammar issues and incorrect formatting can give a poor impression of your resume.

Fix: Follow Write → Review → Proofread → Final formatting check. Resume proofreading by a second reader adds confidence.

8. Choosing the Wrong Resume Length 

Why it matters: Resume length follows experience, relevance, career stage, industry and employer requirements. A one-page resume suits many graduates.

Example: Weak: a fresher resume stretched to three pages with every college subject. Better: one page with education, projects, internships, skills, certifications and achievements.

Fix: Match the fresher resume format to available evidence. These resume tips for freshers also apply to experienced candidates, who may need two pages.

9. Using Unprofessional or Incorrect Contact Information

Why it matters: Recruiters reach candidates through resume contact information. A wrong detail ends the conversation early.

Example: Weak: a nickname-based email address. Better: a professional email address for a resume built from the candidate’s name.

Fix: Check that your resume has the correct phone number and a working LinkedIn profile link. Add GitHub or a portfolio when relevant. Keep resume contact details consistent across every profile.

10. Adding False, Outdated, or Unverifiable Information

Why it matters: Interviewers ask follow-up questions on every claim. Resume accuracy protects credibility.

Example: Weak: “Expert in Java” after one college module. Better: “Basic Java skills applied in an academic project.”

Fix: Keep every skill, job title, certification and project contribution accurate. Update resume certifications, resume skills and employment history regularly to avoid false information on resume pages.

Common Resume Mistakes Freshers Should Avoid

Freshers face fresher resume mistakes that differ from experienced candidates’ errors. Each point below fits an IT fresher resume aimed at IT jobs for freshers.

• Skills listed without project evidence

• Academic projects left off

• Academic projects not labeled as “Academic Project”

• Relevant internships left off

• Vague project descriptions

• Technologies used in projects not highlighted in bold

• GitHub repository and live demo links missing

• Coursework overload

• Generic objectives

• One resume sent to every job

• Job-specific keywords missing

• Unnecessary personal information

• Technical tools left unexplained

Weak: Python Project – Student Management System

Better: Student Management System (Academic Project) – Developed a student management application using Python and [technology], implementing [specific functionality]. GitHub: [repository link] | Live Demo: [link, if available] 

Highlight the technologies used in each project or module in bold. Add the GitHub repository link and a live demo link where available. For college projects, add “Academic Project” right after the project title. A label beside each project helps interviewers and recruiters grasp the context faster than a general “Academic Projects” heading.

Use these fresher resume tips with GitHub links and certifications to build a strong resume for fresh graduates. See reasons fresh graduates struggle in interviews for the next step.

Common Resume Mistakes by Section

The most frequent errors cluster in six resume sections. Review each section separately before applying.

Contact Information

• Incorrect phone number

• Unprofessional email

• Broken LinkedIn or portfolio links

Resume Summary

• Generic career objective

• Missing target role

• Missing relevant skills

Skills

• Skill dumping in a long list

• Outdated technologies

• Skills shown with no usage evidence

Experience

• Responsibilities listed over achievements

• Outcomes left unmeasured

• Irrelevant employment history details

Projects

• Missing description, technologies, personal contribution and outcome

• Vague titles such as “college project”

• Technologies not highlighted in bold

• GitHub repository and live demo links missing

• College projects without an “Academic Project” label after the title

Education & Certifications

• Excess irrelevant detail

• Outdated information

• Relevant certifications left off

Resume Mistakes: Before-and-After Examples

Five examples show how small edits fix resume errors and strengthen the whole resume. Each after-version names an action, a tool or an outcome.

How to Make Your Resume ATS-Friendly Without Over-Optimizing

An ATS-friendly resume is clear, readable and matched to the job description. This ATS resume checklist keeps the focus on genuine qualifications:

• Use standard section headings.

• Keep important text selectable.

• Choose clear formatting with minimal graphics.

• Include job description terms naturally.

• Check the employer’s submission requirements.

• Keep the resume readable for humans and software.

ATS optimization means presenting genuine qualifications clearly. Keyword matching supports honest relevance, and resume parsing works best on clean content. Natural ATS keywords from the job posting help recruitment software place a resume in the candidate database. Avoid ATS resume mistakes such as keyword stuffing.

What Resume Format Should You Use?

Follow the employer’s instructions for the resume format. Both resume PDF and resume DOCX files work when the text stays selectable.

PDF vs DOCX

• Use the requested resume file format first.

• Keep text selectable in the document.

• Submit a text-based file so parsing tools read every line.

• Choose an ATS resume format with a single-column layout.

Resume File Naming

Example: SreeLakshmi_Python_Full_Stack_Developer_Resume.pdf

Replace names like resume_final_final2.pdf with this clear pattern.

Resume Self-Audit Checklist Before Applying

Use this checklist to review your resume and catch any mistakes before sending it to employers. This final check takes about 10 minutes before each submission.

• Target job is clear

• Resume matches the job description

• Relevant keywords are included naturally

• Formatting is readable

• Important information is text-based

• Skills are relevant

• Projects have meaningful descriptions

• Technologies used in each project are highlighted in bold

• Academic projects carry an “Academic Project” label after the title

• Achievements include evidence where possible

• Contact information is correct

• LinkedIn, GitHub, live demo and portfolio links work

• Dates are consistent

• Grammar and spelling are checked

• Irrelevant information is removed

• Certifications are current

• All claims are accurate

After shortlisting, continue with interview tips for freshers.

Resume Mistakes That Can Hurt IT Freshers Specifically

IT roles in software development, QA testing, SEO, digital marketing and data analytics expect role-specific evidence. These IT fresher resume mistakes and technical resume mistakes appear often in a fresher IT resume.

• Programming languages listed alone, when a project can support each one

• Technical skills on resume pages that need a live demonstration to back them up

• GitHub repository and live demo links left out when relevant

• Development and testing tools left unmentioned in projects

• Technologies in project descriptions not highlighted in bold

• Vague project descriptions

• Job-description keywords copied beyond genuine knowledge

• Every technology learned in college listed

• Internship contributions left unexplained

Review technical skills for freshers to choose the right skills for each role.

Key Takeaways

These points summarize the guide:

• A resume gets overlooked when it shows weak job alignment, unclear formatting, irrelevant details, little evidence or errors.

• Employers may screen resumes through an ATS, a recruiter or both, so content must stay readable for software and people.

• Tailor one core resume to each opening. A Python Full Stack learner applying for a front-end role should highlight front-end skills and projects.

• Use a single-column layout, standard headings and selectable text.

• Replace generic objectives with a role-specific professional summary.

• Show achievements with Task → Action → Result, not a list of duties.

• Highlight project technologies in bold, add GitHub and live demo links, and label college work “Academic Project” after the title.

• Keep every skill, claim and contact detail accurate and current.

• Run the self-audit checklist before every application.

Frequently Asked Questions

What are the most common resume mistakes?

Frequent issues include one resume for every job, cluttered formatting, irrelevant details, generic summaries, missing job description keywords, duty-based bullets, typos, incorrect contact details and unverifiable claims. Each issue has a simple fix explained above.

Why do resumes get rejected?

Resumes get rejected when they show weak alignment with the job description, use hard-to-parse formatting, include irrelevant details, offer little evidence of skills or carry errors. Screening steps differ by employer and recruitment process.

What resume mistakes should freshers avoid?

Freshers should avoid listing skills without projects, leaving out academic projects and internships, writing vague project descriptions and sending one resume everywhere. These fresher resume mistakes improve quickly with evidence-based projects and job-specific keywords.

Can ATS reject a resume automatically?

Some employers configure ATS filters that rank or screen applications, and others rely on recruiter review. Outcomes depend on the employer’s setup and software configuration. Clear, relevant, readable resumes work well in both cases.

How can I make my resume ATS-friendly?

Use standard section headings, a clean single-column layout, selectable text and job description terms placed naturally. Follow the employer’s submission instructions. Readable content serves both the ATS and the recruiter.

Should a fresher’s resume be one page?

One page suits most freshers with limited experience. Length depends on projects, internships and employer requirements. A second page works when relevant projects and certifications need space. Keep every line relevant to the target role.

Should I customize my resume for every job?

Yes. Small changes to skills, projects and keywords raise relevance for the recruiter. Match each resume to the job description of the role. For example, a Python Full Stack learner applying for a front-end developer role should highlight front-end skills and projects. This habit leads to more interview calls across applications.

Is PDF or DOCX better for a resume?

Follow the employer’s instructions first. PDF preserves layout, and DOCX suits systems that request editable files. Keep text selectable in either format so parsing tools and recruiters read the full content.

Should I include LinkedIn or GitHub on my resume?

Include both when relevant. LinkedIn shows the professional profile, and GitHub shows code and projects for IT roles. Add the GitHub repository link and a live demo link, if available, under each project. Confirm that every link opens correctly before submitting the application.

How can I check my resume before applying?

Use the self-audit checklist above. Verify the job match, keywords, formatting, projects, contact details, links, dates, grammar and accuracy. A mentor or trainer can add a useful second review.

Final Takeaway

These common resume mistakes become easy to fix with three principles:

• Relevance: Match the resume to the target position.

• Evidence: Show skills through projects, achievements, experience and genuine measurable results.

• Accuracy: Keep every claim truthful, current, readable and error-free.

Addressing these resume rejection reasons raises the chance of interview calls. Build stronger job-ready skills with QIS Academy’s IT training, mock interview training and placement support. Continue with technical interview preparation and fresher interview tips before the next application. For more interview tips, explore our guide to preparing for IT interviews.