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Lead Firmware Engineer Interview Questions

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1,415 lead firmware engineer interview questions shared by candidates

The first set of questions made during the technical interview was mainly checking my familiarity with FPGAs, and my motivation towards working with them. This is probably the most important part of the interview. The second set of questions were competency based questions. These are the type of questions in the format of "Tell me a time when you showed initiative/other competency".
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Graduate Firmware Designer

Interviewed at Leonardo

3.8★
Apr 25, 2019

The first set of questions made during the technical interview was mainly checking my familiarity with FPGAs, and my motivation towards working with them. This is probably the most important part of the interview. The second set of questions were competency based questions. These are the type of questions in the format of "Tell me a time when you showed initiative/other competency".

Two back-to-back panel sessions, two interviewers each. First was firmware architecture and system design, solid, relevant discussion. Second was a whiteboard coding session, the main one being a concurrency problem (spotting a race around a shared variable read-modified-written in an ISR/thread context). Fair question for a firmware role. Overall the technical bar was fair. Just be ready to code and reason out loud at a whiteboard under pressure.
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Staff Firmware Engineer

Interviewed at Graphcore

4.5★
Jun 16, 2026

Two back-to-back panel sessions, two interviewers each. First was firmware architecture and system design, solid, relevant discussion. Second was a whiteboard coding session, the main one being a concurrency problem (spotting a race around a shared variable read-modified-written in an ISR/thread context). Fair question for a firmware role. Overall the technical bar was fair. Just be ready to code and reason out loud at a whiteboard under pressure.

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