Self-Introduction / Identity

Before I Was Famous

I'm not famous. But before Google, before Glance, before InMobi, there were years of learning the hard way: debugging production, shipping features, and figuring out how systems actually work when they're under load.

Ranjan Dasgupta started with a B.Tech from WBUT and a stint at CyberSWIFT. That's where I learned that the best product thinking comes from understanding the system: not just the code, but the data flow, the failure modes, and the business constraints. When I joined Google, that foundation turned into something else—exposure to the largest ad tech stack in the world. DFP, AdX, AdSense: I was inside the machine, and it changed how I think about scale and yield.

What the early years taught me

Systems thinking. If you optimize one part of the pipeline without understanding the rest, you break something else. That's true in header bidding (timeouts, ordering, demand overlap) and in supply path optimization (who gets the request, and why). The early years also taught me that product and engineering have to speak the same language—especially in AdTech, where latency and revenue are tied to every line of logic.

For the full arc, see my origin story and About. For what I'm building now, Work and Contact.