Principal Software Development Engineer Interview Questions

10,184 principal software development engineer interview questions shared by candidates

On interviewer spoke broken english and was very hard to understand, asked textbook and theory questions and not in a very clear process, seemed like he Googled and wrote down a bunch of questions from a search to ask prior to the interview, saw notes and theory written on a legal pad. Asking questions on free body diagrams, mechanics and thermodynamics, like write and explain Gibbs free energy equation and explain the three laws of thermodynamics. Did not ask too much that would be used daily as the job was described, the theory can be referenced in a book or Googled when needed, people do it all the time and little is used daily unless you work in a research. No applicable skills and appears this person was a recent fresher with not too much practical experience in the field.
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Senior Staff/Principal Mechanical Engineer

Interviewed at Arlo Technologies

4.4
Aug 16, 2018

On interviewer spoke broken english and was very hard to understand, asked textbook and theory questions and not in a very clear process, seemed like he Googled and wrote down a bunch of questions from a search to ask prior to the interview, saw notes and theory written on a legal pad. Asking questions on free body diagrams, mechanics and thermodynamics, like write and explain Gibbs free energy equation and explain the three laws of thermodynamics. Did not ask too much that would be used daily as the job was described, the theory can be referenced in a book or Googled when needed, people do it all the time and little is used daily unless you work in a research. No applicable skills and appears this person was a recent fresher with not too much practical experience in the field.

Split a large monolithic code base into different modules and finally covert them to microservices Find dependencies among those modules fastest way Alien dictionary problem Finally finding exception stack that needs trigger notification mechanism from from data structure which stores all exceptions thrown Design data structure and write code to find exceptions from that list Most of graph/trie style question
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Principal Architect

Interviewed at Harness

3.8
Feb 25, 2021

Split a large monolithic code base into different modules and finally covert them to microservices Find dependencies among those modules fastest way Alien dictionary problem Finally finding exception stack that needs trigger notification mechanism from from data structure which stores all exceptions thrown Design data structure and write code to find exceptions from that list Most of graph/trie style question

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