All Services Programming & Development ETL Consultant (BigData, Apache Spark) Hey there, I am Gokula Krishnan Devarajan working as ETL Consultant in a leading Healthcare organization in BigData Technologies (Apache Spark/Scala, Hadoop etc). Skills & Expertise ApacheApache HiveBig DataEtlHadoopScalaSpark 0 Reviews for This Service This Freelancer has not received any feedback. Browse Similar Freelance Experts Big Data EngineersApache Hive DevelopersScala DevelopersApache Developers