Firmware Engineer Interview Questions

2,356 firmware engineer interview questions shared by candidates

- Provide and implement APIs for using a circular buffer. How can it be made thread-safe? Handle return values and edge cases. - Leadership questions - Tell me a complex problem and how was it handled. Describe a situation when you didn't compromise on achieving a great outcome.
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Sr Firmware Engineer

Interviewed at Amazon

3.5
Dec 1, 2023

- Provide and implement APIs for using a circular buffer. How can it be made thread-safe? Handle return values and edge cases. - Leadership questions - Tell me a complex problem and how was it handled. Describe a situation when you didn't compromise on achieving a great outcome.

The whole process takes two weeks. One phone call interview for general questions and background. Three technical video interviews, and 1 with the manager. Each technical session has two engineers, and the whole session takes around 1 hour.
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Firmware Engineer

Interviewed at Intel Corporation

3.9
Oct 18, 2020

The whole process takes two weeks. One phone call interview for general questions and background. Three technical video interviews, and 1 with the manager. Each technical session has two engineers, and the whole session takes around 1 hour.

Some of the technical questions focused on different types of testing, testing strategies, and whether I have applied these methods or agile frameworks in my current or previous roles. They also asked how I would find, test, and debug issues, as well as a question about my basic understanding of GNSS technology.
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Software Firmware Tester

Interviewed at u-blox

3.1
Oct 17, 2025

Some of the technical questions focused on different types of testing, testing strategies, and whether I have applied these methods or agile frameworks in my current or previous roles. They also asked how I would find, test, and debug issues, as well as a question about my basic understanding of GNSS technology.

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