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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

Describe volatile, const, static keywords. How do you share data between interrupt handler and main thread if you do not have an OS with your embedded controller? How do you optimize linear piecewise function in terms of speed?
avatar

Embedded Fw (Firmware) Engineer

Interviewed at Nest

3.6★
Aug 4, 2015

Describe volatile, const, static keywords. How do you share data between interrupt handler and main thread if you do not have an OS with your embedded controller? How do you optimize linear piecewise function in terms of speed?

/** * Represents a grid of hexagonal tiles, kind of * like a honeycomb. * ___ ___ ___ * / 0 \___/ 6 \___/12 \___ * \___/ 3 \___/ 9 \___/15 \ * / 1 \___/ 7 \___/13 \___/ * \___/ 4 \___/10 \___/16 \ * / 2 \___/ 8 \___/14 \___/ * \___/ 5 \___/11 \___/17 \ * \___/ \___/ \___/ * * The above example is of height 3 and width 6, * but other sizes can be specified. * * It takes into account six cardinal directions. * * N * NW ___ NE * / \ * \___/ * SW SE * S */ public static class HexGrid { public static int EMPTY = -1; public HexGrid(int height, int width) { // TODO: Implement me! } /** * Returns the list of neighbors for a given tile in clockwise order, starting with N. * Any empty tiles will be represented as {@link #EMPTY}. * * @param index of the tile of interest * @return tiles that are adjacent, clockwise starting with N. */ public List<Integer> getTileNeighbors(int index) { // TODO: Implement me! return null; } } }
avatar

Android Embedded Engineer

Interviewed at Block

3.3★
Sep 2, 2016

/** * Represents a grid of hexagonal tiles, kind of * like a honeycomb. * ___ ___ ___ * / 0 \___/ 6 \___/12 \___ * \___/ 3 \___/ 9 \___/15 \ * / 1 \___/ 7 \___/13 \___/ * \___/ 4 \___/10 \___/16 \ * / 2 \___/ 8 \___/14 \___/ * \___/ 5 \___/11 \___/17 \ * \___/ \___/ \___/ * * The above example is of height 3 and width 6, * but other sizes can be specified. * * It takes into account six cardinal directions. * * N * NW ___ NE * / \ * \___/ * SW SE * S */ public static class HexGrid { public static int EMPTY = -1; public HexGrid(int height, int width) { // TODO: Implement me! } /** * Returns the list of neighbors for a given tile in clockwise order, starting with N. * Any empty tiles will be represented as {@link #EMPTY}. * * @param index of the tile of interest * @return tiles that are adjacent, clockwise starting with N. */ public List<Integer> getTileNeighbors(int index) { // TODO: Implement me! return null; } } }

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