Hardware Engineer Interview Questions

5,134 hardware engineer interview questions shared by candidates

I interviewed with the hiring manager, he asked me questions about ADC testing and calibration from my resume. Asked me to design a RC filter with gain and talked about I2C communication and how does SI cause droop and its prevention.
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Battery Hardware Engineer

Interviewed at Apple

4.2
May 31, 2026

I interviewed with the hiring manager, he asked me questions about ADC testing and calibration from my resume. Asked me to design a RC filter with gain and talked about I2C communication and how does SI cause droop and its prevention.

Unexpected to be able to rehearse college level circuit questions (from flip flops to electromagnetism) for a senior level design position. I thought the interview would have been more about practical engineering experience versus academia.
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Senior Hardware Engineer

Interviewed at Apple

4.2
Jun 22, 2014

Unexpected to be able to rehearse college level circuit questions (from flip flops to electromagnetism) for a senior level design position. I thought the interview would have been more about practical engineering experience versus academia.

Apple technical people are sharp and they understand their stuff or the market products very well. One of the interviewers actually asked why my company's (at that time) product is designed in that way. The question is pretty open-ended and I had given it a hard thought and explained in the technical way. At last, I asked back what did he (the interviewer) think and he said that he wasn't sure as well but it seemed my answer technically makes sense.
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Senior Hardware Systems Engineer

Interviewed at Apple

4.2
Jan 14, 2015

Apple technical people are sharp and they understand their stuff or the market products very well. One of the interviewers actually asked why my company's (at that time) product is designed in that way. The question is pretty open-ended and I had given it a hard thought and explained in the technical way. At last, I asked back what did he (the interviewer) think and he said that he wasn't sure as well but it seemed my answer technically makes sense.

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