difference between datalake, datawarehouse, and what is a lakehouse ?
Sr Data Engineer Interview Questions
2,601 sr data engineer interview questions shared by candidates
Ask your knowledge of how Spark works. Also ask if you are familiar with cloud technology. Some other stuff like dataware house and Airflow. The question is confusing sometime though, as the interviewer sometimes cannot tell different concepts apart.
d you have any other offer in hand?
The first question was how to tmplement LinkedList. The second question was to identify if person A knows person B directly or indirectly given a group on LinkedList containing their "know" relation.
Take-Home was answering questions using spark. Nothing too complex. An important element is writing test cases to show a complete example. The panel was more around getting a sense of your technical experience and how you would handle specific cases. There was a live coding session, but nothing was out of the ordinary.
We discussed my data engineering experience and interest in the public sector.
Asked me what my salary expectations were
Situational based questions around Data processing in batch and Streaming
How to track purchases from external websites?
What's the biggest mistake you made in your previous work and what did you learn from it. How do you optimize long running queries? How would you integrate external API data to a data engineering pipeline? Explain the medallion architecture and how do you use it in your work.
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