Hadoop Developer | How to hire | Resources for technical recruitment

Used for hiring

Hadoop Developers
Big Data Developers

Skills required

Strong knowledge in Hadoop

Programming skills in Java, JS, Node.js and OOAD

Pre-processing using Hive and Pig

Experience with data loading tools - Flume and Sqoop

Familiarity with workflow/schedulers like Oozie

Hadoop Developer Assessment

You can test a candidate on the following areas to assess their proficiency in Hadoop

  • Developing code in Hadoop and implementing it
  • Proficiency with Java, JS, and Node.js
  • Understanding of Hive, Pig, and HBase
  • Knowledge of data structures

How this test helps with hiring Hadoop candidates

Steps to assess Hadoop developers
Create a test
Create a test
Add questions to assess Hadoop skills
Add questions to assess Hadoop skills
Send invites to candidates
Send invites to candidates
Evaluate the report
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Common types of assessments used by our top customers

Programming questions to assess development skills in Hadoop

10 MCQs on
Java, JavaScript and Data structures

10 MCQs on
Hive and Pig

Sample questions

In Hadoop, which of these phases occurs between the Map and the Reduce phases?

  • Copy
  • Shuffle and sort Correct Answer
  • Compress and send
  • Send and copy

In Hadoop, which of the following is the correct syntax to load data from an HDFS?

  • hive>load data local inpath <file path> into table <table name>
  • hive>load data inpath <file path> into table <table name>Correct Answer
  • hive>load data local inpath into table <table name>
  • hive>load data local inpath <file path> into table

In Hadoop, which of the following interfaces needs to be implemented to create the Mapper and Reducer?

  • org.apache.hadoop.mapreduce.Mapper and org.apache.hadoop.mapreduce.reducerCorrect Answer
  • org.hadoop.mapreduce.Mapper and org.hadoop.mapreduce.reducer
  • org.apache.hadoop.Mapper and org.apache.hadoop.reducer
  • org.hadoop.mapreduce.Mapper and org.hadoop.mapreduce.reducer

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