Primary focus: ATS resume. If you are applying for jobs online in 2025, there is a high chance your resume will first be reviewed by an Applicant Tracking System (ATS) before a recruiter ever reads it. These systems automatically scan, parse, and rank resumes based on how well they match the job description.
In this guide, you will learn what an ATS is, how it reads resumes, and the exact strategies you can use to create an ATS-friendly resume that passes automated screening while still impressing human recruiters.
What Is an Applicant Tracking System (ATS)?
An Applicant Tracking System is recruiting software used by companies to manage job applications and streamline hiring. When candidates apply online, their resumes are uploaded into the system where the ATS extracts key information such as:
- Name and contact information
- Work experience and job titles
- Education history
- Skills and certifications
- Employment dates
The software then organizes this data so recruiters can quickly search and filter candidates based on keywords, qualifications, and experience. Many modern ATS platforms also use AI-assisted ranking to identify the most relevant applicants for a role.
This means your resume must be structured in a way that both software and recruiters can easily understand.
How ATS Software Scans Resumes
Understanding how ATS systems read resumes can dramatically improve your chances of getting shortlisted. The process usually happens in three stages:
Resume Parsing
The ATS first converts your resume into machine-readable text. It then analyzes the document and organizes information into structured sections like Work Experience, Education, and Skills. If your resume contains complex layouts, images, or unusual formatting, the system may misread or skip important information.
Keyword Matching
Recruiters typically search their ATS database using specific keywords related to the job description. These keywords often include required skills, technologies, certifications, and job titles. If your resume does not contain these terms, it may never appear in search results.
Candidate Ranking
Some modern systems automatically rank resumes based on how closely they match the job requirements. While recruiters still make final decisions, ATS ranking helps hiring teams quickly identify strong candidates.
Common Resume Mistakes That Cause ATS Rejection
Many job seekers unknowingly create resumes that look visually impressive but fail when processed by ATS software. Below are some of the most common mistakes.
- Complex layouts: Multi-column templates, tables, graphics, and sidebars can confuse resume parsers. A simple single-column layout works best.
- Non-standard section titles: Creative headings like “My Journey” or “Career Story” may prevent ATS from identifying key sections. Always use standard headings like Work Experience and Skills.
- Decorative fonts or icons: Fancy fonts, symbols, and graphical bullet points may not be readable by ATS systems.
- Important information in headers or footers: Some systems ignore header and footer content, meaning your contact information might be missed.
- Image-based resumes: If your resume is saved as an image or scanned PDF, ATS software may not be able to read the text at all.
How to Optimize Your Resume for ATS
1. Use Keywords From the Job Description
The most important step in creating an ATS resume is aligning your content with the job description. Carefully review the posting and identify important keywords related to skills, technologies, and responsibilities.
Include these terms naturally throughout your resume, especially in:
- Your professional summary
- The skills section
- Relevant experience bullet points
For example, if the job description mentions “Search Engine Optimization,” you may include both the acronym and the full term like this: SEO (Search Engine Optimization).
2. Use a Clean Resume Layout
ATS-friendly resumes follow a simple and structured format. The best practice is a single-column layout with clear sections such as:
- Summary
- Work Experience
- Education
- Skills
- Certifications
Use widely supported fonts such as Arial, Calibri, Georgia, or Times New Roman and keep font sizes between 10–12 points for readability.
3. Choose the Right File Format
Unless a job posting specifies otherwise, submitting your resume as a .DOCX file usually provides the best compatibility with ATS software. If you prefer to use a PDF, ensure that it is a text-based PDF rather than a scanned image.
A simple way to check is to try selecting text inside the PDF. If the text cannot be selected, the ATS may not be able to read it properly.
4. Run a Plain Text Test
Before submitting your resume, copy its content into a plain text editor. This allows you to see how the ATS may interpret the document.
If the information appears out of order or sections are missing, your formatting likely needs adjustment.
Best Resume Keyword Strategy
Using keywords effectively requires more than simply listing popular buzzwords. A smart strategy includes the following steps:
- Analyze the job description: Identify repeated skills, tools, and requirements mentioned by the employer.
- Prioritize core competencies: Focus on the most important skills relevant to the role.
- Use keywords naturally: Integrate them within achievements and responsibilities rather than placing them in a long list.
- Include variations: When possible, include both abbreviations and full terms for important skills.
Well-placed keywords increase your visibility in recruiter searches while still maintaining readability for human reviewers.
Formatting Tips for ATS Compatibility
- Use reverse chronological format: List your most recent job first.
- Focus on measurable achievements: Quantify results whenever possible.
- Avoid images and graphics: ATS software cannot read text embedded inside images.
- Keep essential information in the main body: Avoid putting important details in headers, footers, or sidebars.
Example of an ATS-Optimized Resume
Below is a simplified example of how an ATS-friendly resume should be structured.
Professional Summary
Product Manager with 6+ years of experience leading Agile teams and launching data-driven products. Skilled in backlog prioritization, A/B testing, SQL, and product analytics.
Skills
- Agile / Scrum
- Product Roadmaps
- A/B Testing
- SQL
- User Research
- Jira
Experience
Product Manager — Acme Pay
Jan 2022 – Mar 2025
- Reduced fraud chargebacks by 22% by launching a new risk detection feature.
- Improved checkout conversion rate by 8% through roadmap prioritization.
- Designed A/B testing experiments that increased onboarding completion by 12%.
Education
Bachelor of Science in Information Systems
This example demonstrates a clean structure, relevant keywords, and measurable achievements — all of which help both ATS software and recruiters evaluate the candidate quickly.
Final Tips for Job Seekers
- Tailor your resume for each application. Generic resumes rarely perform well in ATS searches.
- Keep your resume concise. Most recruiters prefer one to two pages.
- Highlight measurable results. Numbers and achievements strengthen your credibility.
- Remember the two audiences. Your resume must pass automated screening and still persuade a human recruiter.
Conclusion
Creating an effective ATS resume requires a balance between technical optimization and professional storytelling. By using clear formatting, relevant keywords, and measurable achievements, you can significantly improve your chances of passing automated screening systems and securing job interviews.
As hiring technology continues to evolve, candidates who understand how ATS systems work will always have a competitive advantage in the job market.