Principal Engineer Interview Questions

4,347 principal engineer interview questions shared by candidates

Some questions was related to is it possible to create your own Marker interface, how to design frontend solution where the response is expected to return a static or Observable based on some criteria. When questioned about what is the criteria he himself was unsure about it. What happens if you don't specify Class firname("dbclass"). He expected what is happening inside that dbclass. It is better to attend this company for practice. The reviews on this company is pathetic. Have patience for being rejected without any clue
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Principal Engineer

Interviewed at Equiniti

3.7
Apr 8, 2025

Some questions was related to is it possible to create your own Marker interface, how to design frontend solution where the response is expected to return a static or Observable based on some criteria. When questioned about what is the criteria he himself was unsure about it. What happens if you don't specify Class firname("dbclass"). He expected what is happening inside that dbclass. It is better to attend this company for practice. The reviews on this company is pathetic. Have patience for being rejected without any clue

A few technical questions about firmware such as what happens during interrupts. Questions about my past projects. One person wanted to verify what I have done and listed in my CV. How do I relate to this position? Questions about my future plans. How do I handle different situation at the work environment.
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Software Systems Principal Engineer (Firmware)

Interviewed at Dell Technologies

3.7
May 20, 2016

A few technical questions about firmware such as what happens during interrupts. Questions about my past projects. One person wanted to verify what I have done and listed in my CV. How do I relate to this position? Questions about my future plans. How do I handle different situation at the work environment.

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