A recruiter contacted me on LinkedIn, for a new Greenfield project in JPMorgan Chase that was still a secret. After the initial chat with the recruiter, there were three round of interviews: Live code: this was an array exercise with medium complexity, and trying to do it in the more efficient possible way. System Design: explain how would I'd design a payment system. I passed these two interviews, and then the last one was 45m cultural fit with the project DM who is based in NY. It was a disaster. First thing the guy said he was busy and won't be able to be at the interview for the 45m. He then proceeded to ask a question, which is a very common question asked in these kind of interviews, and which even the recruiter had told me he was going to ask. But he asked it in a slightly different way, with the aim of playing some mind tricks on me. After my response, he asked me why I answered that way, since it was not the question he made. He then went on a philosophical lecture about how people assume things or not, and after a few attempts of clarifying things with him, he finished the interview. This seemed very unfair to me, in my long career I've never had to deal with something like this. I believe this guy is doing JPMorgan a disservice, because he's rejecting many perfectly capable, talented and experienced candidates (and I'm not necessarily saying it for me; same thing happened to a couple of ex-colleagues of mine) just because their brains don't work exactly the same way as his.