Take home coding test Spin up a spark EMR instance and parse ~ 10 million records worth of trade data by column type using the spark language of your choice.
Senior Data Engineer Interview Questions
2,396 senior data engineer interview questions shared by candidates
Preguntas generales de teoría de SQL y de lógica matemática en general.
Stack-based Python question regarding finding the k nearest neighbors. SQL questions around window functions.
How to optimize the Spark app?
What is Regression testing? Difference in Bid/Ask price? What do you think about the current market scenario?
Python: Count the number of occurrences the item is present in list and print the ones with more than one occurrence? list = [1,3,3,4,4,4]
Query to generate a report for various KPIs. Similar to a data pivot.
Previous experience, tools that I use for data analysis, questions about me, my interests and issues that I had to pass
Why did you choose that tool over the other alternatives?
What is the difference between ROW_NUMBER, RANK, and DENSE_RANK?
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