This spirit of the article is good, but two of the three example questions are bad. I ask candidates about projects on their resume. I ask them deeper questions

This spirit of the article is good, but two of the three example questions are bad. I ask candidates about projects on their resume. I ask them deeper questions about those projects. Many people get excited about cool things they have built and will tell me about all the details. If you cannot clearly explain the interesting details of a project you should be familiar you are either not that smart, are taking credit for an entire project that you were only a small part of (this happens pretty often) or I am too dumb to understand the concepts (I like to think I am pretty smart and this never happens). I also ask why they want to work here. Many people don't really know and that is OK. Many want to move into management, although they will never say it directly, and that is usually a red flag.