Kaustav Modak is a developer-evangelist and ecosystem builder with 11 years of experience helping developer-facing products scale across APJ, currently shaping Twilio’s developer network. He blends hands-on engineering (Go, React, Kubernetes, Postgres) with product and marketing instincts from roles at Freshworks, Postman, and as Head of Engineering at DemTech.ai. A self-taught technologist and co-founder with deep WebRTC and API experience, he’s known for creating developer tooling, DX improvements, and community-first programs that turn users into contributors. He favors system thinking and sustainable tech, and pursues a long-term side project to build a decentralized knowledge system—an interest that underlines his focus on open-access, networks, and unified communication. Based in the Palani Hills, he pairs remote-first, cross-functional leadership with a penchant for thoughtful, community-driven product strategy.
11 years of coding experience
14 years of employment as a software developer
Bachelor of Science Information Technology, Bachelor of Science Information Technology at Sikkim Manipal University for Distance Education
Bachelor of Arts (B.A.) Philosophy, Bachelor of Arts (B.A.) Philosophy at Jadavpur University
Senior Secondary, Senior Secondary at National Institute of Open Schooling
Contributions:2 PRs, 142 pushes, 12 branches in 8 months
communicationsunified-communicationsreal-time
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Kaustav Modak - Developer Evangelist, Ecosystem at Twilio