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Embedded Software Engineer Interview Questions

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Embedded Software Engineer Interview Questions

Embedded software engineers develop and maintain embedded systems, which may require advanced software skills and problem solving. In an embedded software engineer interview, the interviewer may ask questions that test your coding skills and experience. Expect to also discuss how you work with others, as the role may function within a team.

Top Embedded Software Engineer Interview Questions & How To Answer

Question 1

Question #1: Define an embedded system.

How to answer
How to answer: Prove your competency by delivering a concise but thorough answer. Explain that an embedded system is a computer that lives within a bigger machine and operates in a unique way to perform a particular task. Consider offering some examples, like a car, a kitchen appliance, or an MP3 player.
Question 2

Question #2: What programming languages are you able to use?

How to answer
How to answer: Embedded software engineers are responsible for building complex functional systems, so it's beneficial to highlight your technical skills. The interviewer may want to hear you mention basic programming languages like C and C++. You might mention which languages you prefer or which you would like to gain more experience in, demonstrating passion and an ongoing willingness to learn.
Question 3

Question #3: Have you collaborated with engineers and designers?

How to answer
How to answer: You may work with others towards a common goal, so teamwork is vital. Consider sharing an anecdote about a time when you collaborated successfully to resolve an issue with a product. Focus on your ability to manage stress, clearly communicate complex issues, and listen to others.

6,900 embedded software engineer interview questions shared by candidates

Valeo interview experience Part one : 1­ The interviewer and the interviewee introduce themselves ­I mentioned in the cv the knowledge of MISRA C and git/github, and I was asked what I know about them 2­ You are requested to talk about a project that you're comfortable with and through it, You will get to explain the main embedded systems concepts like (adc ­ pwm ­serial communications... etc ) *I explained the concepts in details using illustrations and equations ... No code was required, only how each component was configured. 3­ I was asked directly what do you know about " Data Structures " Then, I was asked to simply construct a linked list that contains the elements 1,2,3 Then, I was asked to make a linked list in an unconventional way of not using dynamic allocation or arrays 4­ I was asked to make a "complete executable program" which is a simple compression algorithm that accepts an array of 8 bytes erase the MSB and concatenate the bytes so at the end instead of having 8 bytes you will have 7 bytes Through out discussing the program, I was asked about the scope of the memory in a program where the variables are kept ... etc I was asked about the startup code and bootloaders Can I edit the memory locations ? Return by value and return by reference. Why always the array is sent as a pointer and not by its value? Part Two: At the end I asked about some carrier guidance tips : What microcontrollers are currently used in the industry and would knowing various versions of the same processor is important like for example knowing different arm versions (tiva C and stm32 for example) ? ­Currently, The industry use 8bit (which have the challenge of writing codes for small resources ), and 32bits and not the 16bit ones as their costs is too close to the 32 ones but of course the 8bits are still very cheap compared to the 32bits so they are still in use ­knowing different versions of microcontrollers is not important (...I believe bcz companies use AUTOSAR ??!) Is embedded linux used in the industry !? ­Embedded linux cannot be used widely in the automotive industry, As it doesn't “directly” support real time response (and I was asked to search on why :D), but is used in interfacing the screens. Further, I was advised to deeply study operating systems mainly “RTOS” and data structures. Review : Embedded systems interviews are all the same, in focusing on the same topics, solve several related questions and practice on an IDE.
avatar

Embedded Software Engineer

Interviewed at Valeo

3.8★
Feb 7, 2018

Valeo interview experience Part one : 1­ The interviewer and the interviewee introduce themselves ­I mentioned in the cv the knowledge of MISRA C and git/github, and I was asked what I know about them 2­ You are requested to talk about a project that you're comfortable with and through it, You will get to explain the main embedded systems concepts like (adc ­ pwm ­serial communications... etc ) *I explained the concepts in details using illustrations and equations ... No code was required, only how each component was configured. 3­ I was asked directly what do you know about " Data Structures " Then, I was asked to simply construct a linked list that contains the elements 1,2,3 Then, I was asked to make a linked list in an unconventional way of not using dynamic allocation or arrays 4­ I was asked to make a "complete executable program" which is a simple compression algorithm that accepts an array of 8 bytes erase the MSB and concatenate the bytes so at the end instead of having 8 bytes you will have 7 bytes Through out discussing the program, I was asked about the scope of the memory in a program where the variables are kept ... etc I was asked about the startup code and bootloaders Can I edit the memory locations ? Return by value and return by reference. Why always the array is sent as a pointer and not by its value? Part Two: At the end I asked about some carrier guidance tips : What microcontrollers are currently used in the industry and would knowing various versions of the same processor is important like for example knowing different arm versions (tiva C and stm32 for example) ? ­Currently, The industry use 8bit (which have the challenge of writing codes for small resources ), and 32bits and not the 16bit ones as their costs is too close to the 32 ones but of course the 8bits are still very cheap compared to the 32bits so they are still in use ­knowing different versions of microcontrollers is not important (...I believe bcz companies use AUTOSAR ??!) Is embedded linux used in the industry !? ­Embedded linux cannot be used widely in the automotive industry, As it doesn't “directly” support real time response (and I was asked to search on why :D), but is used in interfacing the screens. Further, I was advised to deeply study operating systems mainly “RTOS” and data structures. Review : Embedded systems interviews are all the same, in focusing on the same topics, solve several related questions and practice on an IDE.

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