-Migrating huge data from traditional RDBMS(MYSQL/Teradata) to Bigdata/Cloud platforms(AWS/Snowflake/Google Cloud).
-Handling Big data projects with Hadoop, Hive,Sqoop,Spark and Java MapReduce.
-Doing data lineage to find data life cycle that includes the data's origins and where it moves over time, what happens to data and applications which are using it.

Worked as a ETL developer and developed Data warehouses and Data marts using extensive Teradata and UNIX shell scripting knowledge in all phases of Data Warehousing (ETL) projects which include Requirement analysis, Data Analysis, Design, Development, Testing, and Deployment.

Migrating Data from teradata to Hadoop hive tables by writing sqoop scripts in unix.

Configuring open source email system Apache James, a.k.a. Java Apache Mail Enterprise Server to make it compatible with Cassandra a NoSQL database.

Data Engineer Officer at Citi

1. Project sponsored by Persistent Systems 
2. Built an open source e-mail system ideal for small and medium scale organizations for low cost intra-organization communication 
3. Java Apache Mail Server integrated with Cassandra, a distribu

Himanshu Kumar Das

Data Engineer Officer at Citi