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.
Why LLM Engineer Interviews Are Different From Any Other Tech Role The LLM engineer job market in 2026 is moving fast, and the hiring bar reflects that. Companies building with large language models are not looking for generalists who picked up some prompt tricks. They want engineers who understand how these systems actually work, where…
Marketers, writers, operators, and analysts can all showcase AI work. Here is what counts as portfolio-worthy, how to document it, and where to host it. Somewhere along the way, “AI portfolio” became code for GitHub repos and Python notebooks. That framing leaves out a huge chunk of the workforce doing genuinely impressive AI-powered work every…
Prompt engineering roles are multiplying fast. Tech companies, healthcare organizations, financial firms, and marketing agencies are all hiring people who can get reliable, high-quality output from large language models. If you’re pursuing one of these roles, you’ve probably noticed the job descriptions sound impressive and the salaries are even more so. But knowing what the…
Somewhere right now, a job seeker is doing everything right. They’ve prepped their answers, cleaned up their LinkedIn, and showed up on time to a Zoom interview with a decent background and a working microphone. They’re nervous in the normal way. They want the job. And somewhere else, another candidate just showed up as someone…
You scheduled a first-round interview. You cleaned up your background, tested your lighting, ironed your shirt. Then a lifelike digital human appeared on your screen, smiled, and asked, “Tell me about a time you had to lead through uncertainty.” No recruiter. No human on the other end. Just an AI avatar with a name, a…
There’s a job title that barely existed five years ago that now shows up in nearly every major tech company’s hiring pipeline: AI Product Manager. This isn’t your typical PM role with a new coat of paint. Companies are building entirely new product lines, internal tools, and customer-facing features powered by machine learning, large language…
Only 1 in 5 employees worldwide is engaged at work right now. That number isn’t just a workplace wellness story. It’s a job search story. Here’s what the data actually means for anyone navigating the 2026 job market. The numbers dropped in April 2026 and they’re not pretty. Gallup’s State of the Global Workplace: 2026…
Getting an interview for a General Manager role is a serious milestone. It means someone already believes you might be able to run the place. But the interview itself? That’s where candidates who looked great on paper start to fall apart. GM interviews are not like most job interviews. You’re not just answering questions about…
Hiring managers who interview entry-level data science candidates report the same frustration over and over: candidates can talk about concepts but can’t open a Jupyter notebook and actually do the work. That’s the gap this specialization is explicitly designed to close. The IBM Data Science Fundamentals with Python and SQL Specialization on Coursera is a…
Budget analyst roles are competitive, and the interview process reflects that. You’re not just answering generic “tell me about yourself” questions. You’re being evaluated on your ability to build and defend a forecast, explain a variance that doesn’t look great, and communicate complex financial data to people who don’t live inside spreadsheets. The good news…
