SQL: Calculate moving average of a metric
Senior Data Engineer Interview Questions
2,396 senior data engineer interview questions shared by candidates
It was a quick call where they asked about my working experience and expectations.
More around Java threading , oops concept and cluster related questions
Tell me about yourself in detail
Whats the similarity on map join in hive and broadcast join in spark
Can we run spark without hadoop and yarn.
Tech interview consisted of two blocks. The first one was about reviewing some code written in Python; pointing out potential flaws in the design and reasoning about how to fix them. The code snippet looked like a module that a Data Scientist that lacks understanding of software engineering would write. Second part was about writing a sql query that would filter and join a couple of tables to compute a metric with multiple levels of aggregation.
An example of a project where you worked in with bringing up many dataset on board.
Toughest work that you did?
Got asked which operations in Spark trigger shuffle, as well as when would I develop streaming vs batching pipelines.
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