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ATS Guide

Understanding ATS: How to Optimize Your Resume

November 18, 2025
6 min read

A comprehensive guide to understanding Applicant Tracking Systems and making your resume ATS-friendly.

Understanding ATS: How to Optimize Your Resume

Applicant Tracking Systems (ATS) are software applications that help companies manage their recruitment process. Here's what you need to know:

What is an ATS?

An ATS scans, parses, and ranks resumes based on specific criteria set by the employer. Understanding how it works is crucial for job seekers.

How to Make Your Resume ATS-Friendly

1. Use Standard Section Headings

Stick to conventional headings like "Work Experience," "Education," and "Skills."

2. Avoid Complex Formatting

  • No tables or text boxes
  • No headers or footers
  • No images or graphics
  • Simple, clean fonts (Arial, Calibri, Times New Roman)

3. Include Relevant Keywords

Carefully read the job description and naturally incorporate relevant keywords throughout your resume.

4. Use Standard File Formats

Submit your resume as a .docx or PDF file (check the application requirements).

5. Spell Out Acronyms

Write out acronyms at least once, followed by the abbreviation in parentheses.

Testing Your Resume

Before submitting, test your resume by:

  • Copying and pasting it into a plain text document
  • Using online ATS scanners
  • Having a friend review it

Conclusion

While optimizing for ATS is important, remember that a human will ultimately read your resume. Balance ATS optimization with readability and compelling content.