Data Sources drop customer related files in an SFTP. Files are read by Bash ETL process. First loading data into Hive stage area, doing necessary transformations(data cleansing, repairing, lookup, deduplication, etc) and populating gold and smith layer of hive google cloud respectively. A script will export that file into a SFTP which was read and populated into Teradata. Operational reports built were on Teradata warehouse.