Spark question to join two df's and add a new column based of salary. Also to replace null values in a row with 'ABC'.
Big Data Engineer Interview Questions
1,228 big data engineer interview questions shared by candidates
They asked SQL and Python questions, the questions were challenging but would have been a fair play if we were given a code playground to test our queries and then submit the final answer.
A lot of conceptual questions about when and why I would use certain tech. A lot of questions about past experience and why I done certain things in certain scenarios.
Sql queries
Architecture of project
questions about additional things to be taken care of moving my code into production and how design can be improved, test-driven and domain-driven development, Kafka, the difference between list and set, GraphQL, Graph Database,REST API and design considerations etc
A simple algorithm question which I don't remember
What is your experience with big data?
1. Time complexity of the implemented algorithm.
What all the parameters affects / improves Cassandra performance
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