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Principal Software Engineer Interview Questions

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10,208 principal software engineer interview questions shared by candidates

Mostly on resume, c/c++, linux, basics of embedded OS, behavioral. All simple questions but checks your basics. Crazy thing is they want everything in one person right from assembly language, device driver, file system, DMA, OS, C/C++ and they don't stop here, they ask even cloud, databases and everything under the planet. Looks like the management have no idea what they want, what is job requirement is. They want this magician should work on anything anytime with least amount of pay
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Senior Principal Engineer

Interviewed at Doble Engineering Company

3.3★
Jun 20, 2023

Mostly on resume, c/c++, linux, basics of embedded OS, behavioral. All simple questions but checks your basics. Crazy thing is they want everything in one person right from assembly language, device driver, file system, DMA, OS, C/C++ and they don't stop here, they ask even cloud, databases and everything under the planet. Looks like the management have no idea what they want, what is job requirement is. They want this magician should work on anything anytime with least amount of pay

- Describe relative pros and cons of Object Oriented programming - Write a function that computes raising an integer to an exponent, and discuss runtime complexity issues (they want to see pointless trivia answer with recursion on half the exponent). - Talk about some natural language processing applications, general machine learning. Interviewer didn't seem to know many details about machine learning. - Write a function that transforms some input text into word counts.
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Principal Machine Learning Architect

Interviewed at FactSet

3.9★
May 23, 2018

- Describe relative pros and cons of Object Oriented programming - Write a function that computes raising an integer to an exponent, and discuss runtime complexity issues (they want to see pointless trivia answer with recursion on half the exponent). - Talk about some natural language processing applications, general machine learning. Interviewer didn't seem to know many details about machine learning. - Write a function that transforms some input text into word counts.

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