Rivu Chakraborty is a community person, an Android & Kotlin developer, one of the early adopters of Kotlin. He is presently working as a Sr. Software Engineer (Android) at BYJU'S The Learning App. He has contributed to multiple Kotlin and Android Development books including Reactive Programming in Kotlin, Functional Kotlin, Hands-On Data Structures and Algorithms with Kotlin.

He has been using Kotlin since December 2015. Rivu formed KotlinKolkata User Group, the first active Kotlin User Group in India. Before he had to move out of Kolkata, he was organizing meetups and events for both KotlinKolkata and GDG Kolkata.

Along with organizing community & events, he also speaks at events/conferences, including droidcon India 2019, DroidJam India 2018 (India's premiere Android Conference), and a number of DevFests, and a lot of local events in India.