Questions were on SQL, Kafka, and programming Data Warehousing designs and data pipeline building
Sr Data Engineer Interview Questions
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What are your top skills?
They question were on performance tuning data partitioning in SQL
Asked about projects, ETL pipelines, Gave some ETL scenarios and asked how to solve them, diff between Natural key and Surrogate key, Asked to write a lot of SQL queries (~12 questions), questions about joins, dimensional modeling Asked questions focusing on the tech stack used by them, indexing, coalesce, if null, how to increase query performance, factless fact, list vs tuple
Q: Do you know about columnar data format?
Why are interested in this specific role?
Spark technical test calculating BMI
Java, spark
It was mostly about the technical expertise.
what is the process for training a NLP algorithm
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