Engineer Interviews

Engineer Interview Questions

Engineers are responsible for designing and building products. In an interview context, expect to be quizzed on your technical skills, and also evaluated for your ability to work as a part of a team to get things built. The specific questions you are asked will depend on what type of engineering position you are looking for such as a specific engineering discipline like software engineer, electrical engineer, or mechanical engineer.

Top Engineer Interview Questions & How to Answer

Question 1

Question #1: What is the most challenging engineering project you've dealt with, and how did you ensure it was successful?

How to answer
How to answer: This question requires you to give a specific example. Ideally, you're able to choose a project that mirrors the type of work you'd do in the role you're interviewing for. Even if it's not your most challenging project, make sure you describe your obstacle(s) and the successful outcome clearly and enthusiastically.
Question 2

Question #2: In your current role, what steps do you take to avoid making mistakes?

How to answer
How to answer: Whether you have a formal process or not, list any specific measures you employ (i.e., digital tools, consulting with colleagues, etc.). Make sure your answer demonstrates a commitment to quality control, efficiency, and safety.
Question 3

Question #3: Describe a time you dealt with a difficult client or stakeholder.

How to answer
How to answer: This one also requires a specific example that demonstrates patience and good judgment. An employer is looking for evidence that you're able to confidently and calmly stand by your decisions. Share an example with a positive outcome.

842,961 engineer interview questions shared by candidates

1. Given an array that contains duplicates (except for one value), find the one value that does not have a duplicate in that array. Explain the complexity of your algorithm. So in the array: A = [2, 3, 4, 5, 2, 3, 4] your algorithm should return 5 since that's the value that does not have a duplicate. 2. Explain the process that happens when you type your username and hit submit on a website (HTTP, server/client communication, etc...)
avatar

Software Engineer Intern

Interviewed at AppFolio

4.1
Jan 24, 2014

1. Given an array that contains duplicates (except for one value), find the one value that does not have a duplicate in that array. Explain the complexity of your algorithm. So in the array: A = [2, 3, 4, 5, 2, 3, 4] your algorithm should return 5 since that's the value that does not have a duplicate. 2. Explain the process that happens when you type your username and hit submit on a website (HTTP, server/client communication, etc...)

Write a function called eval, which takes a string and returns a boolean. This string is allowed 6 different characters: 0, 1, &, |, (, and ). Eval should evaluate the string as a boolean expression, where 0 is false, 1 is true, & is an and, and | is an or. An example string might look like "(0 | (1 | 0)) & (1 & ((1 | 0) & 0))"
avatar

Software Engineer Intern

Interviewed at Dropbox

3.9
Nov 13, 2012

Write a function called eval, which takes a string and returns a boolean. This string is allowed 6 different characters: 0, 1, &, |, (, and ). Eval should evaluate the string as a boolean expression, where 0 is false, 1 is true, & is an and, and | is an or. An example string might look like "(0 | (1 | 0)) & (1 & ((1 | 0) & 0))"

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