Hadoop Developer Their main task is developing Hadoop technologies with the help of Java, scripting languages, and HQL. And they earn the salary in between 5 to 10 Lacs per annum in India. Also, we have the Hadoop testers who find the errors and fixes them. They make sure the proper working of the MapReduce jobs, scripts, HiveQL, and the Pig scripts. They also earn a salary of between 5 to 10 lacs per annum in India. For more details please visit: https://nareshit.com/hadoop-online-training/