Kaustav is passionate about technology and its applications in the fields of communication and intelligence. He co-founded Applait, a for-profit product outfit that aims to build commercial offerings around high-performance communication solutions. He is one of the co-founders of Muktakosh, a non-profit group dedicated to research on sustainable exponential technologies, currently focusing on communications as the first stage.
He currently helps TokBox, one of the leaders in the WebRTC industry, to connect with developers in APAC, focusing on the Indian maket. Previously, he ran a software consultancy firm called CodeBinders, has been a Developer Evangelist for FusionCharts and worked as a developer at ThoughtWorks on the Gauge team.