Sandipan Bhattacharjee is a seasoned professional with extensive experience in big data and ETL architecture, currently serving as a Big Data Lead/ETL Architect/Information Architect at Larsen & Toubro Infotech since February 2015. With a core competency in Ab Initio, Sandipan has contributed as a Data Architect during a tenure of over three years at L&T Infotech. Prior experience includes roles as an ETL Architect and Big Data Explorer at Syntel, where initial responsibilities involved designing and building Data Warehouse applications. Sandipan also held the position of ETL Consultant at IBM, contributing to a Risk Management application for a banking client, and has experience from previous roles at Syntel and TCS, focused on ETL development in the telecom domain. Sandipan holds a Bachelor of Technology degree in Instrumentation from Haldia Institute of Technology, completed in 2002.