Complete Guide
Everything you need to know about getting past ATS filters, optimizing your resume, and standing out to recruiters. From formatting basics to advanced keyword strategies.

Before your resume reaches a human recruiter, it must pass through an Applicant Tracking System (ATS). These software systems are used by over 98% of Fortune 500 companies and the majority of mid-size businesses to filter and rank candidates.
The ATS scans your resume for relevant keywords, parses your experience, and assigns a match score based on how well your qualifications align with the job description. Resumes that score below a certain threshold are automatically rejected—never seen by human eyes.
The Hard Truth
Studies show that up to 75% of resumes are rejected by ATS before a recruiter ever sees them. Not because candidates aren't qualified—but because their resumes aren't optimized for the system.
Popular ATS platforms include Workday, Greenhouse, Lever, Taleo, iCIMS, and BambooHR. Each has different parsing algorithms, but they all look for the same core elements: relevant keywords, clear formatting, and organized sections.
The way you format your resume can make or break your chances. ATS systems struggle to parse creative layouts, graphics, and non-standard formatting. Here's what works:
Multi-column layouts confuse ATS parsers. Stick to a single column with clear section breaks.
Use conventional headings like "Experience," "Education," "Skills," and "Summary." Avoid creative alternatives like "My Journey" or "What I Bring."
Stick to Arial, Calibri, Times New Roman, or similar standard fonts. Size 10-12pt for body text.
Tables, text boxes, headers/footers, images, graphics, icons, and fancy borders. These elements often get stripped or misread by ATS.
Example: ATS-Friendly Resume Format
Austin, TX • (512) 555-0123 • sarah.martinez@email.com • linkedin.com/in/sarahmartinez
Enterprise Account Executive with 8+ years of B2B SaaS sales experience and a proven track record of exceeding quota by 140%+ annually. Expert in managing complex sales cycles, building Fortune 500 client relationships, and generating $4.2M+ in annual recurring revenue.
Enterprise Sales • B2B SaaS • Salesforce • HubSpot • Account Management • Pipeline Management • Contract Negotiation • Consultative Selling • CRM • Revenue Forecasting • Cross-functional Leadership
Senior Account Executive
TechCorp Solutions, Austin, TX
January 2020 – Present
Account Executive
SaaS Innovations Inc., Dallas, TX
June 2017 – December 2019
Bachelor of Business Administration
University of Texas at Austin
2016
✓ Single column layout • ✓ Standard headings • ✓ Clean fonts • ✓ No graphics or tables
Keywords are the words and phrases ATS systems search for when matching your resume to a job description. They typically include:
Pro Tip: Mirror the Job Description
If the job posting says "project management," use that exact phrase—not "managing projects" or "project coordinator." ATS often looks for exact matches.
The biggest mistake job seekers make? Sending the same generic resume to every job. Each position has unique requirements, and your resume should reflect that.
Tailoring doesn't mean rewriting your entire resume for each application. It means strategically adjusting your summary, reordering bullet points to highlight relevant experience, and incorporating keywords from each specific job description.
Before Tailoring
Generic resume with broad statements like "experienced professional" and "strong communicator"
ATS Score: 45%
After Tailoring
Targeted resume with job-specific keywords and relevant experience highlighted first
ATS Score: 87%
While ATS primarily focuses on resumes, cover letters still matter. They're your chance to show personality, explain career transitions, and make a case for why you're the right fit.
The key is keeping it concise (under 300 words), specific to the company, and focused on what you can do for them—not just what you want.
Effective Cover Letter Structure
Even qualified candidates get rejected for easily avoidable mistakes. Here are the most common errors that kill your chances:
Using a "Creative" Template
Graphics, icons, and fancy layouts look great to humans but confuse ATS parsers.
Keyword Stuffing
Cramming in keywords unnaturally gets flagged by both ATS and recruiters.
One Resume for All Jobs
Generic resumes score low because they don't match specific job requirements.
Burying Important Information
Relevant skills and experience should be front and center, not hidden at the bottom.
Typos and Inconsistent Formatting
Small errors signal carelessness. Always proofread and maintain consistent formatting.
Upload your resume and a job description. Our AI will analyze your ATS score, identify missing keywords, and generate an optimized version in seconds.
No signup required. Get your optimized resume in seconds.
Deep dive into how Applicant Tracking Systems work and why they matter.
Step-by-step guide to formatting your resume for ATS success.
How to find and use the right keywords for your industry.
How to customize your resume for each job application.