DAG Scheduler ( Modification of Topological Sort) Hard Array Question LRU Cache Top View of Binary Tree
Senior Data Engineer Interview Questions
2,565 senior data engineer interview questions shared by candidates
Python and SQL programming Data structures, Algorithms, Time complexity Questions about data projects, data quality and components (Spark, Hive, AWS, Hadoop, Kubernetes, Kafka)
What is your background in Python, AWS, and Glue?
Explain the differences between a analytics modeling and transactional modeling
A: They asked me to walk through a real-world Spark use case I’d implemented—building a streaming ETL for clickstream data—detailing how I managed stateful windowed aggregations, tuned `spark.sql.shuffle.partitions`, and fixed data skew with a custom partitioner.
Design big Data solution for 2 streaming dataset using any Cloud or open source tech
Craft demo mostly demonstrating spark working knowledge, distributed systems.
Sort 2 already sorted arrays into one array
Design LRU cache
Implement iterator which take 3 iterator as Input and sort it out.
Viewing 1941 - 1950 interview questions