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.
Here’s the uncomfortable part of any job search: you can see the job you want, and you can feel the distance between where you are and what it asks for. Most people guess at that distance. That’s the mistake. Copilot’s single best use in a skills-gap search is comparative analysis. Feed it a job description…
Recruiter outreach is where most job seekers freeze. You know you should message that recruiter, but you stare at the blank box and write nothing, or you write something so stiff it dies on arrival. Copilot fixes the blank-box problem fast. It drafts polished, professional messages in seconds, and because you can attach your resume…
Most people treat a reference letter like a formality. They ask a former boss for a favor, get a generic paragraph back, and hope it helps. It usually doesn’t. Perplexity changes the game because it searches the live web on every query and numbers every claim with a clickable source. That makes it a research…
Here’s the number that should stop you cold. 87% of hiring managers say their company now uses AI in at least one part of recruiting, up from 82% a year earlier, and 58% use it to screen resumes, according to the Resume Genius 2026 Hiring Trends Report. Now hold that next to this: only 8%…
Most people use AI to write their portfolio. That’s exactly backwards. The writing was never the hard part. The hard part is knowing what to say, which projects to feature, and what a specific employer actually cares about right now. That’s research, and research is the one thing Perplexity does better than almost any other…
Most students use Perplexity like a fancier Google. That’s a waste. Its real edge is that every answer hits the live web through its Sonar engine, so it surfaces current openings, this week’s company news, and real hiring timelines instead of stale training data. Here’s the catch. Perplexity aggregates and summarizes the web, so it…
Most people walk into the promotion conversation with a feeling. “I’ve worked hard. I deserve more.” That feeling is real, but it loses to the person who walks in with cited numbers. Perplexity is built for exactly this. It fires a live web search at query time, ranks the sources, and hands you back an…
Your portfolio is where the hiring decision actually gets made. A recruiter can skim your resume in six seconds, but your portfolio is where they decide if you can really do the work. Most people either skip it or treat it like a junk drawer of old files. That is the mistake. A portfolio needs…
Getting promoted is a writing job before it’s a conversation. You have to document your wins, quantify them, script the ask, and prep for tough questions. That’s exactly the grunt work ChatGPT is built for. Here’s what most people get wrong. They type “help me get a promotion,” accept the first polished paragraph, and walk…
Landing an internship is a numbers game with a craft problem underneath it. You have to apply to a lot of roles, and each one needs materials that actually sound like you and match what the company wants. That’s exactly where ChatGPT earns its keep. It won’t get you hired on its own, but it’s…
