Aritra Banik

Working on AWS migration using Glue, EMR and lake formation for Data lake. Build SQL based abstraction layer for spark batch jobs. Built data warehouse on hadoop with data imported from Oracle HCM could and existing ETL application. Built data anonymization framework for prod to dev data migration. Integrated resume machine learning application with hadoop. Built application framework based on spark with full code coverage support and run the jobs with spark-submit sequentially as workflow with rerun capability. Built logging framework based on Spring AOP with data debugging and job stats capture support. Built Hbase based batch metadata framework.

Developing a real time Cisco software and hardware quality testing data insight platform on Hadoop. Developed core Spark program used for queries execution. Hive queries migration to Spark SQL. Complex hive queries performance improvements activity.

Processing data from different system for Revenue Assurance and creating report with that data. Developed Revenue assurance reconciliation on different Key risk areas. Performance tuning on complex hive queries. Generating daily and monthly feeds to reporting system with National and local TV, radio data. Developed the POC on migrating the Monitor plus Mainframe system to Hadoop platform. Generating daily, weekly, bi-weekly and monthly reports for Field Management Business. DB2 version up gradation, Data gap analysis between Monthly reports for Asset reporting, Generation of special yearly reports and data files for 2012 Year End.