TL;DR
- ATS (Applicant Tracking System) is software recruiters use to filter CVs automatically
- It scans CVs for keywords, skills, and experience relevance
- Most candidates are rejected before a human sees their CV
- Generic CVs fail because they don’t match job-specific requirements
- Tailoring your CV for each job significantly increases your chances
What is an ATS?
An Applicant Tracking System (ATS) is software used by companies to manage hiring. It automatically scans, parses, and ranks CVs based on how well they match a job description. Instead of manually reviewing hundreds of applications, recruiters rely on ATS to shortlist the most relevant candidates.
Did you know?
Up to 75–90% of CVs are rejected by ATS before a recruiter ever sees them.
How Does an ATS Work?
ATS systems operate as a pipeline that processes your CV and compares it to the job description. Understanding this pipeline is key to optimizing your CV.
- 1
Parsing
The ATS extracts text from your CV and identifies sections like experience, skills, and education.
- 2
Normalization
It standardizes terms (e.g., 'JS' → 'JavaScript') and maps skills to known categories.
- 3
Matching
Your CV is compared against the job description using keyword and semantic matching.
- 4
Scoring
Each CV is assigned a relevance score based on alignment with job requirements.
Key ATS Signals
- Keyword match with job description
- Relevant technical skills
- Experience aligned with role
- Clear and structured formatting
- Consistent job titles and terminology
What ATS Looks For
| Factor | What ATS Checks | Common Mistake |
|---|---|---|
| Keywords | Match with job description | Using generic CV for all jobs |
| Skills | Presence of required tech stack | Missing key technologies |
| Experience | Relevant roles and impact | Too vague descriptions |
| Formatting | Readable structure | Complex layouts, tables, graphics |
Common ATS Mistakes
Many candidates get filtered out not because they lack skills, but because their CV is not optimized for ATS.
- Sending the same CV to every job
- Not including keywords from the job description
- Using overly designed templates with columns or graphics
- Listing responsibilities instead of achievements
- Using inconsistent or unclear job titles
Before vs After (IT Example)
Worked on backend services
Developed scalable backend services using .NET and Kubernetes, improving API response time by 35%
How to Optimize Your CV for ATS
To pass ATS filters, your CV must be tailored specifically for each job description.
Optimization Checklist
- Extract and reuse keywords from the job description
- Match your skills to the required tech stack
- Use clear section headings (Experience, Skills, Education)
- Quantify achievements with metrics
- Avoid tables, images, and complex formatting
Pro Tip
Use exact phrasing from the job description (e.g., 'Kubernetes' instead of 'container orchestration') to improve ATS matching accuracy.
Why Generic CVs Fail
Every job description is different, and ATS scoring is context-specific. A CV optimized for one job may perform poorly for another. This is why sending the same CV repeatedly leads to low response rates.
Reality Check
If you’ve applied to dozens of jobs without responses, ATS filtering is likely the main reason.
How Evalo Helps
Evalo automatically tailors your CV to match job descriptions. It extracts key requirements, aligns your experience with them, and rewrites your CV to improve ATS scores — specifically for IT roles.
- AI-powered keyword extraction
- Automatic CV rewriting for ATS
- Tech stack alignment for IT jobs
- Optimized structure and formatting