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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.

6,893 embedded software engineer interview questions shared by candidates

Tell me about yourself. Give me an overview of all the projects mentioned in your resume. Explain to any one of them, which technologies you used. What is the data structure you implemented in it? Explain the approach and Code (Just the required functions) on any text editor: Add 1 to a number represented in the linked list and return the updated linked list. I have explained the 2 approaches and also written the functions. Given a set of characters, generate its power set. E.g. for set {a,b,c} : powerset will be: [ {}, {a},{b},{c},{a,b},{b,c},{a,c},{a,b,c} ]. Initially stuck for some strings, but after hint, I covered the logic. One logic was by using recursion. Another logic is the Binary. e.g 0 1 1 means {b,c}. Approach to implement LRU cache Explain All the OOPS concepts. Some Language-based questions like What are the types of constructors in C++ (My preferred language) From OS, what are semaphores, deadlock, and its conditions? Solve the hourglass puzzle.I will suggest going through all these puzzles.
avatar

Network/Embedded/Applications Development

Interviewed at Cisco

4.1★
Sep 16, 2021

Tell me about yourself. Give me an overview of all the projects mentioned in your resume. Explain to any one of them, which technologies you used. What is the data structure you implemented in it? Explain the approach and Code (Just the required functions) on any text editor: Add 1 to a number represented in the linked list and return the updated linked list. I have explained the 2 approaches and also written the functions. Given a set of characters, generate its power set. E.g. for set {a,b,c} : powerset will be: [ {}, {a},{b},{c},{a,b},{b,c},{a,c},{a,b,c} ]. Initially stuck for some strings, but after hint, I covered the logic. One logic was by using recursion. Another logic is the Binary. e.g 0 1 1 means {b,c}. Approach to implement LRU cache Explain All the OOPS concepts. Some Language-based questions like What are the types of constructors in C++ (My preferred language) From OS, what are semaphores, deadlock, and its conditions? Solve the hourglass puzzle.I will suggest going through all these puzzles.

C test: 2 set of functions to implement in C within 1.5 hrs. Not very difficult if you are a regular hands-on programmer Interview questions: low level firmware steps to implement data acquisition using 8 channel ADC. How ADC works? How to implement firmware update scheme? How to differentiate valid binary image and malicious one (hint: use signature authentication)? Some irrelevant questions like: how will you implement sudoku in C, logic to implement VI editor How will you recover if a process is crashed while holding a mutex and another process is waiting on it (this is very specific to OS and linux solves this using concept of "robust mutex") what are some of the challenging problems you have solved, explain projects
avatar

Software Engineer - Platform Infrastructure/Embedded

Interviewed at Cisco

4.1★
Aug 28, 2019

C test: 2 set of functions to implement in C within 1.5 hrs. Not very difficult if you are a regular hands-on programmer Interview questions: low level firmware steps to implement data acquisition using 8 channel ADC. How ADC works? How to implement firmware update scheme? How to differentiate valid binary image and malicious one (hint: use signature authentication)? Some irrelevant questions like: how will you implement sudoku in C, logic to implement VI editor How will you recover if a process is crashed while holding a mutex and another process is waiting on it (this is very specific to OS and linux solves this using concept of "robust mutex") what are some of the challenging problems you have solved, explain projects

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