About
Hi, I'm Arnab. I'm a software engineer (L4) at Google, where I work on ads machine learning — mostly conversion modeling, calibration, and recovering signal in privacy-restricted spaces for YouTube and Search.
I studied Computer Science and Technology at IIEST Shibpur, where I found competitive programming first (reaching Expert on Codeforces), then Capture the Flag competitions with my CTF team, and eventually open source through the Coronasafe Pupilfirst Fellowship, building healthcare software used during COVID. I've written more about that whole journey here.
That open-source itch led me to Summer of Bitcoin, where I spent a summer contributing to Bitcoin Core, adding USDT tracepoints and eBPF-based scripts. The next year I interned at Google as an SWE, which turned into a return offer, then spent my final year building an AI-driven AR/VR toolkit at GMetri through the XROS Fellowship, and crypto wallet firmware at Cypherock, before joining Google full-time in 2023.
I write about what's happening in the AI and LLM industry, distributed systems, and core Computer Science fundamentals — see my writing or my résumé.