
Extreme Engineering Solutions (X-ES) Interview Questions
& Process
Real candidates share what happened, how many rounds they had,
and how the experience turned out.
Based on 28 interview experiences · FREE TO READ
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8 roles · 28 reportsCandidate interview experiences
First-hand accounts from people who interviewed at Extreme Engineering Solutions (X-ES).
Signal Integrity Engineer
It was a pretty relaxed interview with the Engineering Manager. We mostly talked about my resume and my experience working with teams, and they asked a few basic signal integrity questions. They also gave me time to ask questions at the end.
- Can you define what a transmission line is?
System Administrator
There wasn't a phone screen. The interview started with a facility tour. They talked about their infrastructure, how they manage it, and the specific technologies they use. During this, they asked questions to see what experience I had with those technologies.
- Which Linux distros have you used, liked, or know?
- Why did you get into sysadmin?
- Tell me about sysadmin projects you've done, including any outside of school.
PHP Developer
The recruiter mentioned the onsite interview would be a personal interview, which turned out to be untrue, as it was primarily a technical interview. The technical questions were fairly simple, but the interviewer seemed to be looking for specific buzzwords rather than genuine understanding. One question I answered in great detail, as it's part of my daily work, was met with condescension; the interviewer implied I wasn't thinking about it correctly due to my use of specific terminology. He then asked me to describe a module I'd developed, and upon my explanation, questioned if I had actually built it myself. This was quite insulting. Ultimately, I was offered a junior role with a low salary, which even the recruiter seemed surprised by. I wouldn't accept it, even for a significantly higher salary, due to the lack of open-mindedness and the disrespect shown.
- Can you explain your process for refactoring code? Also, can you provide an acronym that represents the key principles of object-oriented design?
- Describe a module that you've built.
Embedded Engineer
I had a great experience interviewing onsite at X-ES for a firmware engineering role in late 2022. HR was super helpful and clear about the job and what comes next. All the engineers I met seemed really competent, understood things well, and were easy to picture working with. When I got there, my HR recruiter gave me a tour of the new headquarters. We saw all parts of the building and I got a sense of where I'd work and how things get done at X-ES. After that, I had a few interviews in a row with the engineers. Each one felt relaxed, and they seemed keen on getting to know me personally as well as my skills. They cared a lot about how I thought through problems and explained my process, not just getting the right answer. They were happy to answer any questions I had. If you're pretty qualified, know your strengths and weaknesses, and can jump in and learn in small teams, you're probably who they're looking for. It was my best interview yet, and I would've taken the job if my personal situation hadn't changed during the offer period.
- Can you describe project X?
- What is your understanding of [embedded technology], including aspects like [list of aspects of that technology]?
Extreme Engineering Solutions (X-ES) Interview Questions
Quoted word for word from Extreme Engineering Solutions (X-ES) interview reports.
“Regarding a capacitor, what is its behavior as frequency approaches infinity?”
Read reports →“What is the typical number of nodes in a cluster?”
Read reports →“What distinguishes an interface from an abstract class?”
Read reports →“Can you explain the full process that occurs when a user types Google.com into their web browser and hits enter?”
Read reports →“Can you explain the difference between SPI and I2C?”
Read report →“Can you explain the difference between an open circuit and a short circuit?”
Read report →“Can you define what a transmission line is?”
Read report →“Can you explain the distinction between an Interface and an Abstract Class?”
Read report →“Could you explain what inheritance means in object-oriented programming?”
Read report →Formats, difficulty and experience
Across all 28 Extreme Engineering Solutions (X-ES) interview reports.