Firmware Development Engineer Interview Questions

2,358 firmware development engineer interview questions shared by candidates

The questions were from aptitude, which was basically quants and reasoning, then core electronics, it was full of electronics questions like basic electronics, digital electronics, circuit solving, signal processing, etc. then it was c Programming in which pseudocode was provided and output was asked.
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Firmware Engineer

Interviewed at WD

3.7
Aug 14, 2025

The questions were from aptitude, which was basically quants and reasoning, then core electronics, it was full of electronics questions like basic electronics, digital electronics, circuit solving, signal processing, etc. then it was c Programming in which pseudocode was provided and output was asked.

Total 14 Questions in 120 mins straightly from HackerRank. It's not much relevant to the job I applied if I'd say. It came with 10 mixed multi-choice Questions with typical cognitive Qs like from middle schools and some basic coding Qs, 4 coding problems. Most Qs were the same as already posted in other discussion boards. For example, one Q was about a father age with some information from son's age and father's life. Another was a physics speed and distance Q. The 4 coding Qs needed to read the API requirements, i.e. what the result format it needed?
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Firmware Engineer

Interviewed at Fortinet

3.8
Feb 21, 2024

Total 14 Questions in 120 mins straightly from HackerRank. It's not much relevant to the job I applied if I'd say. It came with 10 mixed multi-choice Questions with typical cognitive Qs like from middle schools and some basic coding Qs, 4 coding problems. Most Qs were the same as already posted in other discussion boards. For example, one Q was about a father age with some information from son's age and father's life. Another was a physics speed and distance Q. The 4 coding Qs needed to read the API requirements, i.e. what the result format it needed?

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