Amazon Lab126 Hardware Engineer interview questions

A phone interview and then two weeks later an onsite interview. The onsite interview was from 9 am to 3pm. I was sitting in a tiny room. The first interview was with the HR and then a back to back interview with five engineer/managers around one hour each interview. My background experience is from a small company were one engineer is responsible for the design of extremely complex military boards sometimes more than 20 layers. I got the impression that my interviewers were not extremely experienced. It seems that they used to design simple boards; maximum 4 layers boards, in a large team of engineers that each doing a small part of the design. They were asking me some technical question that they were not so familiar with. One of the interviewers asked me to design for him an A/D circuit on the white board. I sketched a Successive Approximation A/D Converter and tried to explain to him how it works. He had hard time to understand how it works. The last interview is the most important to the decision of acceptance. A young guy reads from the paper 20-25 questions. These questions are meant to determine if the candidate has the character to work at Amazon. After 6 hours of interview I was tried and kind of neglected this part. I think some of the questions were repeated to see if my answers are consistent. The questions went like this: Interviewer: “Did your manager ever ask you to do something that you thought that it will harm the company?” Me (I can’t remember something like this in half a minutes, but I have to lie) : “Yes”. Interviewer: “Can you give me an example” Me (I have to lie again): “a year ago my manager asked me to blah blah blah” and I arranged a meeting between him and the department manager and blah blah blah ……….and there was a happy end” .

Applied online through campus job board. Had an on campus day of interviewing for full time. It was 4 45 mins interviews. The first interviewer was cool. He was super casual and we ended up having a longer than 45 minute interview. Other interviews were the correct length but slightly late starting due to backed up interviews.