Design LRU cache
Developer Big Data Interview Questions
1,784 developer big data interview questions shared by candidates
Why do you want to join Salesforce?
General background questions about experience and salary expectations.
Give an example of how you solved two problems with one solution.
What do you know about AWS? About ETL? Which NoSql DBs do you feel confortable with? Why do you use primary keys?
What is your previous experience with Big Data?
How to read files from HDFS into spark shell?
What is the difference between Data Set and Dataframe
AWS project experience, basic concepts of data warehouse and data lakes, partitioning schemes, hash join, merge join SQL questions A sample data set is given. They will ask you to write SQL queries, mainly aggregation queries.
I was asked questions about my solution to the previously completed coding assignment, and was also asked what the output of a sample Python code snippet would be.
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