- List some kinds of attacks on web applications
Sr Data Engineer Interview Questions
2,563 sr data engineer interview questions shared by candidates
It was a senior role. Most of discussion went around system design, practical Spark problems.
Discussion around current project and challenges around it. How would you scale the current infrastructure? System design related questions. Write a program to find x number of max elements from m number of sorted arrays. General discussion around your project. Write spark code to find the unique routes from a given flight routes table where there could be individual entry for MumBai --> Kolkata/Kolkata--> Mumbai Write a spark scala code to get the employee who earns highest among employess whose salary is more than avg salary and age is less than the avg age. What is master in Spark? What does appName do in Spark? How the local scheduler work in Apache Airflow? How it differs from Kubernetes? Questions around airflow architecture. Given two programs for word count tell the difference between reduceBykey and groupbyKey?
- questions on terminal operations in spark - questions on message comat. in Kafka
1. Explain the difference between SCD Type1, SCD Type2, SCD Type3
what's you expected salary?
all questions related to Data ingesting and transformation
Why do you want to work here?
what is the meaning of big o notation
Third pat - payroll, Azure services, Databricks, optimizations
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