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Principal Engineer Interview Questions
4,347 principal engineer interview questions shared by candidates
- ML system design, behavorial questions
System Design and past experiences
Talk about a difficult project that you did?
past experience, salary expectation, why this company
The interview process covers AI/ML data systems questions, RAG system design questions, an HR round to assess fit, and technical skills evaluation to measure expertise in building, optimizing, and deploying advanced AI solutions in real-world environments.
The first interview lasted for an hour, and the questions were mostly around my current project, which I believe I explained well. There were also some detailed questions around networking layers, which is not exactly my forte. I believe the interview was good, maybe 7/10. The second interview was by a QA team lead. After a discussion on the my previous QA role, he gave me a file transfer scenario to a remote server, and asked me to write test cases around it, which I feel is pretty basic for a person of my experience. He was also probing on some python related problem solving. Overall I would rate this interview 6/10.
Tell us about a challenging situation you had on a project and how you overcame it.
Most behavioural questions were asked.
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