general behavioral questions and basic python
Data Interview Questions
132,942 data interview questions shared by candidates
What did you do in your previous role?
Build out the architecture to go from a stream of user-level event data on their devices to time-aggregatable metrics in a dashboard.
Asked by the interviewer a "Data Engineer" to join 2 tables together to label start/end of a track play , only when I proposed a working solution he diverted me to another solution that he had in mind all along, thinking it was better as it didn't require window functions, but it did require them. He just didn't know they are called window functions. Admittedly, the "Data Engineer" said he hasn't worked on spark in a while, and is quite junior.
Why I was out of work for so long before applying to Rackspace
They didn't call me at designated time
Resume Questions
How to get word embedding
How do you find the second highest value in a table? (SQL)
Can you share with me a situation in which you failed, and how you responded to your failure? (not verbatim, just as best I can remember)
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