Design LRU cache
Big Data Developer Interview Questions
1,784 big data developer 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
Basic Optimisation Techniques for Hive and Spark.
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.
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