This is Manglam From India. I am entrepreneur and working as freelancer. I have corporate experience of 6 Years in MNC like IBM, Tech Mahindra, Lnt Infotech and more. My experience lies mostly with extracting data and loading data to database applying business rules. Highlighting some points to explains in details. IBM - Client TD Bank USA • UCID Application is responsible for loading of credit card details of customer and organization into flat file. Multiple interface are involved as source of flat file. We integrate flat files from all sources and then create consolidated file which is shared to downstream application as their source. We generate initial and delta files for downstream system. • Involved in gathering business requirements and preparation of Low Level design document to capture all the details of jobs like Input/ Output table properties, predecessor jobs, successor jobs etc. • Designed Source to Target Mapping document to capture the ETL transformation logic. • Worked on creation of ETL Architecture document, which included overall design of ETL Layers . • Involved in writing UNIX script for requirement like consolidating files, etc.