The Python technical challenge was about ingesting some data in a specific way and do some analytics on the results. The questions were about the reasons behind each decision. Also, they asked for alternatives to the simple provided solution (it was a challenge done in 3h) more oriented to a production-ready environment.
How much data did you managed ?
General questions regarding your career up to now, along with some (general again) IT questions. Perhaps, they are competent enough to infer your knowledge without being too specific. In any case be prepared to go through your whole CV.
Spark question based on transaction and user and answer top users, fraud users and other based on joining, window. LLD & optimisation of code
Experience with DBT, SQL, Python
About project technical details, what are the transformations you have used.
What is the best-case performance of a quicksort?
How would you design incremental load?
Questions about Dimension Modelling, AWS services, 3 sql queries and 3 python problems.
About my current role support activity n knowledge I have on the technology I was working on.
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