The JobFitAI blog
Deep dives on the hiring machine.
ATS internals, the real math behind resume scoring, and honest tailoring — written by the team building the deterministic Job Fit Score engine. No recycled listicles.
Resume keywords: how an ATS decides which words matter
How to find the ATS keywords a job description actually weights — and where to put them — without keyword stuffing.
In this article
- 01Not all keywords are weighted equally
- 02Synonyms and implied skills usually count
- 03Where keywords live changes what they're worth
- 04Keyword stuffing fails on contact with a human
More articles
Not getting interviews? Run this diagnostic before rewriting anything
Why your resume gets no response: a four-step diagnostic that isolates parse failures, keyword gaps, seniority mismatch, and weak evidence.
The ATS-friendly resume format, tested against nine parsers
An ATS resume format checklist derived from running real resumes through nine vendor parse simulations — what breaks, what survives.
Quantify your resume: metrics and action verbs are 24% of the score
How to quantify resume accomplishments and pick strong action verbs — the two writing axes worth nearly a quarter of your Job Fit Score.
Do cover letters still matter in 2026?
When a cover letter changes the outcome, when it is ignored, and how to write one that is grounded in your actual resume.
PDF vs DOCX: which resume file format should you send?
How ATS parsers extract text from PDF and Word files, where each format fails, and a simple rule for choosing.
How long should a resume be? One page, two, or who cares?
What resume length actually affects — parsing, keyword coverage, recruiter skim time — and a rule based on experience, not folklore.
Anatomy of a Job Fit Score
Exactly how our fully deterministic, 9-axis Job Fit Score is calculated — with the real weights.
How an ATS actually reads your resume (2026 edition)
A technical walkthrough of how modern Applicant Tracking Systems parse resumes — and what it means for your formatting.
The line between tailoring your resume and lying
How to rewrite for a specific job without fabricating experience.
Reading about ATS filters is step one. Beating them is step two.
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