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Developer Big Data Interview Questions
1,784 developer big data interview questions shared by candidates
Why work in data engineering?
what are transformation and action you have used in spark
what is df vs ds what is spark architecture
First Round Experience He asked me 2 SQL Questions(Questions were based on Join and group byAlso asked to write same code in pyspark) and few basic spark questions like cache and persist, reparation and coalesc, RDD, Dataframe and dataset difference. I cleared first round and HR again scheduled second round Second Round: 2 SQL questions which was based on joins and union, union and union all difference, RDD vs Dataframe vs Dataset, Repartition and coalesce,Spark Architecture, Hive and other project related and basic questions. I cleared second round as well then HR scheduled next round which is HR round. HR round: Introduce yourself, What I know about Impetus, Why changing job and walked me through company info and CTC breakdown. She has some budget constraints or approval constraints so not sure why they called and conducted this whole process.
-mostly on resume - some hive questions - How map-reduce works? - Spark architecture questions.
deep technical coding questions on python list related, sql rank, sql join n sql functions, unix command questions spark coding questions. hive, spark basics architecture
About buckets, maps, analytical function, udf etc
Spark, Hive, Hadoop questions
Mostly ask about hadoop and spark and scala
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