Asked me to model a program in scala
Data Engineer Interview Questions
18,744 data engineer interview questions shared by candidates
Intermediate SQL queries based on the take-home assignment. I was also asked a window function query.
What is a window function? Joins vs subqueries. Outer vs inner joins. Infrastructure based questions.
Spark and hive optimization techniques, partitioning and bucketing concepts, small programs in pyspark
1. How would you determine the frequency of each unique element in a list? 2. A problem that can be solved using a SQL window function, and explain your approach?
How does memory management work in Python?
How do you find and remove duplicates in data tables?
python and SQL in telephonic Hadoop input file formats, when to use what, design streaming system, Hive optimization, Spark implementation, Python multi-environment related questions Agile and behavioural rounds
Write an Airflow DAG to print "Hello World!"
Why Kubrick?
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