The big picture
The one idea to remember
An ATS is a chain of processes your application moves through, step by step: knockout questions, resume parsing, keyword and rule filtering, sometimes a semantic match or AI score, ranking into a shortlist, then a human review. Each step either passes you to the next or filters you out — the software mostly screens, organizes and prioritizes, while a person still makes the final call.
Because it's a series of small gates rather than one verdict, the most common outcome isn't a dramatic "AI rejection" — it's getting caught on an avoidable detail at a single step: a vague screening answer, a poorly parsed resume, missing exact keywords, an unusual job title, or a missing required document. Clear each gate and you keep moving.
How the filtering actually works
Think of an ATS like an airport: your resume doesn't go straight to the pilot. It passes ID control, a quick screening and priority lanes before a human reviews what's left. It stacks several mechanisms rather than running one "magic algorithm."
And the brand matters less than the setup: the same Workday or Oracle can be configured with heavy AI screening at one employer and almost none at another. What gets switched on is the employer's choice — so don't assume the worst from the logo alone.
The typical pipeline
- 1
Screening questions
Knockout questions on work authorization, availability, licences or essential qualifications. A failed hard criterion can set you aside automatically.
- 2
Resume parsing
Your document is turned into structured fields — education, experience, skills, languages, certifications — and a searchable profile.
- 3
Keyword & rule filtering
Candidates are filtered and ranked by keyword relevance, years of experience and previous role.
- 4
Semantic matching
Advanced systems score profile-to-role fit and catch near-matches and adjacent skills, not just exact words.
- 5
Ranking & shortlist
Results are ordered; typically only the top candidates advance.
- 6
Human review
A recruiter or hiring manager reviews the shortlist — where most real decisions are still made.
- 7
Interview & checks
Structured interviews, tests, references and credential checks before a documented decision.
What data ATS extracts
Parsing turns your resume into queryable fields. Vendor tools (Oracle, SAP, Taleo, Dayforce) extract and store more than most candidates expect:
| Data type | Common examples |
|---|---|
| Identity & contact | Name, email, phone, address, sometimes name history |
| Work history | Employers, titles, dates, years of experience |
| Education | Degrees, schools, majors, graduation years |
| Skills | Explicit skills, inferred skills, skill-to-job fit |
| Languages | Languages spoken and level |
| Licences & certifications | Professional orders, permits, technical certifications |
| Preferences & eligibility | Location, right to work, availability |
How to get through it
The winning move is simpler than it sounds: write for two readers at once — a machine that scans for standardized signals, and a human looking for a credible story.
Your checklist
- Reuse the posting's exact vocabulary — without blind copy-paste — and spell out acronyms.
- Keep the format simple with clear section headings; adapt your title and summary to the role.
- Answer screening questions with concrete, observable examples, not just claims.
- Surface decisive regulatory items early: permits, professional order, bilingualism, right to work, availability.
- In Ontario, recent rules restrict requiring "Canadian experience" in many public postings and their associated forms (with some nuances) — don't treat it as an automatic barrier.
Formatting & keyword tips by sector
Tech
Clean resume, standard sections, explicit technical skills, aligned job titles
Over-creative project titles, stack not clearly listed, implicit skills
Finance / insurance
Qualifications summary up top, visible analytical and regulatory skills
Internal jargon from a previous employer, no quantified results
Health
Licences/orders/certifications very visible, validity dates if useful, clean attachments
Forgetting a supporting document, a permit hidden in a sentence
Public sector
Detailed answers to screening questions; resume aligned to essential qualifications
Vague "yes, I have this experience" with no narrative proof
SMB / generalist
Resume targeted to the posting, quick to read, transferable skills + tools
A generic resume sent everywhere with no adaptation
Methodology & limits
Based on Canadian primary sources (ATS vendor docs, Canada.ca, the Public Service Commission) and a small sample of real Canadian postings. One caveat: vendor claims about "bias reduction" are marketing, not independent proof.
Make your resume readable by machines and convincing to humans
Vaulty tailors your resume to each job — mirroring the right keywords, keeping the format ATS-clean, and helping you get past the initial filter and into human hands.