Tejas Kumar

Tejas Kumar is a Developer Advocate at IBM. He is the author of the bestselling book Fluent React, host of the ConTejas Code podcast, and a regular speaker at leading technology conferences around the world. His talks are known for combining deep technical expertise, hands-on demos, and infectious enthusiasm.

Tejas has been programming since the age of eight and, over the course of more than two decades, has worked as a software engineer, architect, and Developer Relations specialist at companies including Spotify, Vercel, Xata, and IBM. In Fluent React, he takes readers under the hood of React, helping them gain a deeper understanding of its inner workings.

In recent years, he has focused on AI engineering and building production-ready AI applications. His work combines deep technical knowledge with a strong focus on developer experience, helping engineers build faster, more reliable, and thoughtfully designed applications.