you're probably ignoring the easiest part of interview prep to nail

spent weeks grinding leetcode for my last round of interviews. bombed a final round because i couldn't cleanly explain a gap on my own resume.

the irony didn't hit me until after. i had practiced system design, behavioral frameworks, even obscure SQL edge cases. but when the hiring manager asked me to walk through why i left my previous role after 8 months, i fumbled. gave a long-winded answer that made it sound worse than it was.

here's the thing — questions about your resume are literally the most predictable part of any interview. they're going to ask about gaps, short tenures, career switches, specific projects you listed. and yet i had never once practiced answering them out loud.

i started doing mock interviews where i'd upload my resume and get grilled specifically on it. forced myself to have clean 30-second explanations for everything that might raise an eyebrow. next interview, same type of question came up. this time i had a tight answer ready. moved forward.

the tool i used for the resume-based mock interviews was nxtinterview — you upload your resume and it generates questions based on what's actually on there, then you record yourself answering. not affiliated with them, just found it helpful for this specific blind spot. most interview prep focuses on the hard skills, but the questions about your own background are sitting right there waiting to trip you up if you don't rehearse them.

anyway, if you're prepping right now, don't skip the resume walkthrough part. it feels too obvious to practice but that's exactly why it catches people off guard.