Jeff Gillis is the co-founder and Chief Technical Officer of The Interview Guys, the career-advice site he and Mike Simpson launched in 2013. Over the last 13 years, Jeff has been the strategic mind behind how the site connects with job seekers, helping reach more than 100 million people worldwide through content, tools, and product development.
His background is in IT and digital strategy, which shapes how he approaches the modern job search: ATS systems, resume optimization, the mechanics of how recruiters and platforms actually filter candidates, and the tactics that work when applying through online portals. Jeff has published more than 50 in-depth career resources including case studies, comprehensive guides, and video courses, and his work has appeared in INC, MSN, and ZDNet.
Articles credited to Jeff on The Interview Guys are reviewed and edited by him personally, with a focus on resume strategy, job-search tactics, and how to actually get past the digital gatekeepers most candidates struggle with.
Using AI to write your resume is no longer a secret. Recruiters know it. Hiring managers know it. And more importantly, they are getting very good at spotting the signs. The problem is not that you used Claude to help build your resume. There is nothing wrong with that. The problem is when the final…
Most resume keyword lists will tell you to drop “ChatGPT” or “machine learning” into your skills section and call it a day. That advice is outdated, and in some cases it actually hurts your chances. Here’s what’s actually happening in 2026: AI-powered resume screening tools have gotten much better at detecting context, not just presence….
Most child care resume summaries are doing the exact opposite of what they’re supposed to do. Instead of grabbing a hiring manager’s attention, they’re delivering lines like “compassionate caregiver with a passion for children’s development” and calling it a day. That’s not a summary. That’s a greeting card. The child care sector is one of…
Why “Problem Solver” Is One of the Weakest Things You Can Put on a Resume Here is the uncomfortable truth. Nearly every candidate who applies for a job writes some version of “strong problem-solving skills” in their resume. Hiring managers have read that phrase so many times it has become completely invisible. When a phrase…
Everyone claims to be a critical thinker. Hiring managers know this. Recruiters know this. And yet, survey after survey shows that employers say critical thinking is one of the most in-demand skills they struggle to find in candidates. That gap is a real opportunity for you. The problem is not that job seekers lack critical…
Everyone applying for a management role claims to be “a natural leader.” Hiring managers have read that phrase so many times it’s basically invisible. If you want your resume to stand out, the goal isn’t to say you’re a leader. It’s to show the specific leadership skills that prove it. This list goes beyond the…
Your resume summary is the first thing a recruiter reads. For truck drivers, it’s also one of the most commonly wasted opportunities in the whole job search process. Most CDL driver summaries look exactly the same. “Experienced truck driver with X years of experience seeking a position…” That sentence alone tells a hiring manager almost…
You spent four years (or two, or one) building skills, earning grades, leading clubs, completing projects, and developing yourself in ways you probably haven’t stopped to appreciate. And then you sit down to write a resume summary and your brain goes completely blank. That’s not because you have nothing to say. It’s because nobody ever…
Why Your Two Week Notice Letter Matters More Than You Think Most people treat their two week notice like a formality. They write something generic, hand it over, and count the days. But the letter you write when leaving a job quietly shapes how your manager remembers you, what they say to future employers, and…
A hiring manager at a mid-size software firm recently shared something worth paying attention to: when they see “Microsoft” on a candidate’s resume, they assume the person can work within enterprise environments, follow structured workflows, and ship production code. They don’t even need to know what the specific certificate is. The name does the work….
