Gokul Devaraj Email & Phone Number

Chennai, Tamil Nadu, India

Chennai Area, India

Chennai Area, India

Presently working for Analytics and Information Management in Cognizant. Current role involves work in Big Data space for a US Telecom major where the nature of work includes -i. Interaction with cluster environments running Hortonworks Data Platform – HDP.ii. Development of Data ingestion and processing applications using Sqoop, Hive, Pig - running on YARN with Tez being the execution engine.iii. Extension of Hive capabilities by implementing Hive UDFs in Java and… Show more Presently working for Analytics and Information Management in Cognizant. Current role involves work in Big Data space for a US Telecom major where the nature of work includes -i. Interaction with cluster environments running Hortonworks Data Platform – HDP.ii. Development of Data ingestion and processing applications using Sqoop, Hive, Pig - running on YARN with Tez being the execution engine.iii. Extension of Hive capabilities by implementing Hive UDFs in Java and Python.iv. Implementing performance tuning – Choosing right file formats and compression, Partitioning, Bucketing, selection of mem sizes for optimal Map joins etc.,In addition also possess knowledge in Spark, messaging systems like Kafka and NoSQL Databases – HBase.Involved in a HealthCare project as an application developer for Open VMS. Key highlights of my experience include - o Involved in change management level project which involves migration of a lineof business to OpenVMS from Mainframe system. Key highlights of the work include –o Development of core modules to migrate the data to OpenVMS.o Prediction of disk space and providing suggestions to clients for disk space monitoringand maintenance.o Performance monitoring and prediction of environment availability for businessprocesses. Tuning the jobs to increase the throughput.o Handled several production and compliance issues. Offered ad hoc solutions to mitigatethe situation.o Managing touch base meeting between various internal stakeholders – PMO & QA aswell as with surround systems.o Real time live execution.o Spotlighted for increasing the performance resulting in 50% more loading and formanaging the team diligently by offering technical guidance.o Involved in compliance project related to the recent Obama care implementation. Show less

Chennai

Supported enhancement projects as well as handled compliance level projects related togovernment sponsored plans.Delivered challenging design and complex solutions in a very stringent time frame.Setting up job dependencies and scheduling jobs.Organized production implementations and deployment of built software where factors like – Database expansion, build dependency, Up time and Down time predictions were considered.

Chennai Area, India

Supported an enhancement project related to claims processing – Encounters.Developed solutions using DCL and HP COBOL. Created and maintained unit testing repository for the project.Spotlighted for effective coding standards monitoring