Sudhir Tiwari is a skilled Data Engineer currently working at Main Data Group since June 2023. Prior to this role, Sudhir served as a Presales Consultant at Tata Consultancy Services from February 2022 to June 2023, focusing on proposals, RFPs, resource estimation, and quality engineering. Sudhir also has extensive experience as a Programmer Analyst at Main Data Group from February 2015 to January 2022 and as a Consultant at Mercados Energy Markets India between September 2010 and November 2013, where responsibilities included building solution-oriented models and handling complex Excel-based projects. Sudhir holds an MBA in Finance and Marketing from the Institute of Management and Development and a Bachelor's degree in Computer Science from Pandit Ravishankar Shukla University, along with a Senior Secondary degree in Mathematics and Computer Science from BSP.