Efe Demirbağ

Product Manager Interview Cheat Sheet - 15 years of product. 7 pages. Open before your interview.

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Most PM interview guides are either 300-page books or recycled Medium posts. This is neither. 9 sections covering product sense frameworks, behavioral questions, estimation, strategy, crisis management, and take-home assignments. Built from real products shipped across adtech, proptech, SaaS, mobile, ecommerce, and AI. Not theory. The actual patterns that separate offers from rejections.

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Efe Demirbağ
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Hey, I'm Efe. 15 years shipping products across adtech, proptech, SaaS, mobile and web apps on various verticals. I wrote this because I kept seeing the same patterns in interviews, both as the person interviewing and the person being interviewed. Smart people losing offers not because they lacked experience, but because they couldn't communicate decisions under pressure. The thing I'm most proud of in here is the STAR+T format. Everyone teaches STAR. Nobody talks about the trade-off, the thing you had to kill to make the right call happen. That fifth element is what separates a real product story from a polished fairy tale. Thanks for checking this out.