Raja Chellappan is a seasoned IT professional with extensive experience in data and cloud platform consulting, currently serving as a Senior Principal Consultant at Affine since January 2023. Prior to this, Raja held the position of Senior Technical Consultant at Hexaware Technologies from January 2020 to March 2023 and served as a Senior Technical Manager at NSEIT in 2019, focusing on data modeling and CI/CD setup. Raja also worked as a Technical Architect at HCL Technologies from December 2012 to December 2018, specializing in Big Data enterprise architecture. Experience includes roles at PayPal as a Software Engineer and a consultant at Ness Technologies, contributing to compliance and site reliability engineering. Early career experiences involve project engineering positions at Misys, Bank of New York, and Wipro Technologies. Raja holds a B.Tech in Information Technology from Bharathidasan University.