They have asked mostly scenario-based questions
Senior Data Engineer Interview Questions
2,402 senior data engineer interview questions shared by candidates
DE/ Spark/ APIs/ basic ML
Brush up spark and computer science knowledge. You need to know to have the fundamental knowledge of how apache spark works and having knowledge of cloud and data warehousing is a plus.
1. Difference between HDFS and S3. 2. how to optimise Spark job. 3. Simple problem on array swapping. 4. Simple SQL Queries. 5. Very Very generic assignment. 6. Spark Structured Streaming (Stream join)
3 sql queries and one python problem
Practice the questions on Hackerrank with Python.
Tell me about your experience
Spark architecture, optimization Scala collections Python list, higher order function Aws S3, EMR concepts
How would your direct reports describe you?
1)What is recursive function in python? 2)Difference JSON and parquet. 3)Dictionaries in python.
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