Hariharan Iyappan is a software engineer currently working at PhonePe since December 2023. Prior to this role, Hariharan served as a Founding Engineer for Rivera Money, where the focus was on creating a no-code crypto investment platform for fund managers. Previous experience includes working as a software developer at FINMECHANICS, contributing to a critical treasury application utilized by banks and corporates across multiple countries, and holding the position of associate software developer, where involvement centered on the development of a treasury application for investment banks. A brief tenure as an applied AI engineer at MathLogic included researching deep learning applications for time series forecasting. Educational qualifications include a B.Tech. in Mechanical Engineering with a minor in Economics from the Indian Institute of Technology, Madras, completed in 2020.