Sarani Bhattacharya is a seasoned Big Data Engineer-II at Amazon since October 2020, with prior experience at Exusia, Inc. as a Consultant and Senior Analyst from May 2017 to September 2020, where Sarani specialized in health-care ETL projects utilizing Abinitio, Express-IT, Conduct IT, Control Center, UNIX shell scripting, and Oracle SQL. Earlier, Sarani worked as a Software Engineer at Tech Mahindra from November 2014 to May 2017, focusing on developing new ETL processes using Abinitio, SQL/PLSQL, and Unix shell programming. Sarani holds a Bachelor's degree in Information Technology from RCCIIT (2010-2014) and completed XII in Science at Belgharia Mahakali Girls' High School (2002-2010).