Resume check, why EY?
Big Data Engineer Interview Questions
898 big data engineer interview questions shared by candidates
Top k in an array; Topological sort
Write code to sort arraylist
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?
Explain Hbase minor and major compaction
Architectural questions, file formats ( in depth) , questions from CV (in depth). Python coding. Couple of SQL question with implementation of window functions, ranking, lead lag, etc etc
SQL queries on join
Mostly they were looking at your approach to solve a problem. Scenario based problems, trying to test your attitude.
Given a list of domains, that are entered sorted, we want to minimize the output of urls by uniting sub-domains by only outputting their common ancestor. Also sibling domains should be listed as their common ancestor.
Tasks i did in my previous internship or work student activities
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