Why most ATS advice is wrong
Search "ATS resume tips" and you'll find the same list everywhere: use keywords, avoid graphics, keep it simple. That advice isn't wrong — it's just incomplete. It doesn't tell you how to use keywords, which graphics break parsing, or what "simple" actually means in practice.
These 7 tips go deeper. They're based on what actually moves the score when you test your resume against real job descriptions using an ATS checker.
Tip 1: Mirror the exact keyword, not the synonym
You write "machine learning." The JD says "ML." They mean the same thing. Many ATS systems don't know that — especially older Workday and Taleo deployments that use exact string matching.
The fix: use the exact term from the JD. If they write "Node.js," don't write "NodeJS." If they write "cross-functional collaboration," don't paraphrase it as "working across teams." Copy the phrase exactly where it applies to your experience.
When in doubt, include both variants: "Node.js (NodeJS)" in your skills section covers both versions without looking awkward.
Tip 2: Put keywords in context, not just the skills section
A keyword in your skills section scores lower than the same keyword in an experience bullet with context. This is because modern ATS systems weight keywords more heavily when they appear alongside accomplishments and recency signals.
Bad: Skills section — "React, TypeScript, GraphQL"
Better: Experience bullet — "Built customer dashboard in React + TypeScript with GraphQL API, reducing page load by 40%"
The bullet version scores higher and tells a better story to the human who reads it after the ATS filter.
Tip 3: Your most recent role carries the most weight
ATS systems assume recency = relevance. Skills from your current role are weighted more heavily than the same skills from 5 years ago. This means your most recent job's bullets should be the most densely packed with relevant keywords for the roles you're targeting.
If your most recent role is only tangentially related to what you're applying for, you may need a strong summary section to bridge the gap — one that explicitly connects your current experience to the target role's requirements.
Tip 4: Use the right file format (and test it)
PDF is generally safe — but only if the text is selectable. Test yours: open the PDF, try to click and highlight the text. If you can't, the ATS can't read it either. That means the file was scanned or exported as an image.
Word documents (.docx) parse more reliably in some older systems. If you're applying to companies that use Taleo or older Workday versions, a .docx sometimes outperforms a PDF for parsing accuracy.
The safest approach: keep both versions, use PDF for modern systems (Greenhouse, Lever, Ashby), and .docx when the application explicitly accepts it.
Tip 5: Format your dates consistently
ATS systems need to calculate your seniority and employment gaps. Inconsistent date formatting confuses parsers. "Jan 2022 – Present" in one role and "03/2020 – 01/2022" in another is fine for humans, but some parsers treat them as different formats and error out.
Pick one format and use it everywhere: "January 2022 – Present" or "01/2022 – Present." The full month name version parses most reliably across systems.
Tip 6: Write out acronyms (once)
Write "Natural Language Processing (NLP)" the first time. Then use NLP for the rest. This covers systems that search for either the acronym or the full term, without duplicating the keyword awkwardly.
Same for: "Applicant Tracking System (ATS)," "Search Engine Optimization (SEO)," "Return on Investment (ROI)." Especially important for certifications: "Project Management Professional (PMP)" covers both what a recruiter might search for.
Tip 7: Check your score before you submit
The best ATS resume tip is the simplest one: know your score before submitting. Most candidates apply blind — no idea whether their resume is a 42% match or an 81% match for the specific role.
With Applyr's free ATS checker, you paste your resume and the job description and see your match score in 8 seconds. You also see which keywords are present, which are missing, and which sections need work.
Target: 75%+ before submitting. 85%+ puts you in the top tier of applicants for most roles. Under 60% means the ATS filter is likely to rank you too low to be seen.
The system behind the tips
These 7 tips work best as a system, not a checklist. The right file format gets you past parsing. The right keywords in the right context get you a high score. The score check confirms it's working before you send.
The Chrome extension version of this workflow takes under 60 seconds: open a job posting, click the extension, see your score, fix the gaps, download the tailored PDF. The whole loop without leaving the job board.