What is the minimum and maximum number of entries in a JOIN operation?
Principal Data Engineer Interview Questions
10,170 principal data engineer interview questions shared by candidates
Questions to see if I match company values.
What are your top three non-negotiable elements for what constitutes high quality professional development for staff? Why are these elements vital?
Have you had experience with telecom lab equipment?
Don't want to share the interview questions as it is very lengthy
Was given a massive dataset of food takeaways and further info and was asked to do any research I wanted to and produce a report, with figures, code transcript, etc.
How would I handle the dymanic work environment
None of the questions were diffifcult or unexpected - the standard what are your strengths, weaknesses, tell me about a time that you had to work with a difficult issue, etc.
Technical screen involved mainly SQL questions as this was for a data modeling focused role. Some on SQL logic (it's open ended, so you can answer with whatever dialect you're familiar with) and some on writing performant queries.
Detail how you would go about building a visual text editor, starting with a high level design and moving into code for specific aspects of the interface.
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