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Prithvirajbilla/README.md

Hi, I'm Billa πŸ‘‹

I'm a Member of Technical Staff at OpenAI, where I'm building new enterprise products, specifically context layer.

My work sits at the intersection of AI infrastructure, large-scale product engineering, distributed systems, and technical leadership. Over the past 10+ years, I've built products and platforms across OpenAI, Meta, and Bridgewater Associates.

LinkedIn Β· Email Β· X

What I'm doing now

At OpenAI, I'm focused on building new enterprise products and exploring how to improve depth of adoption for AI.

Personally, I am doing a lot of reading about LLMs, GPUs and Inference.

Selected past work

Meta β€” Staff Software Engineer & Tech Lead

  • Led infrastructure for AI Solutions and Automation in Integrity, using generative AI to automate human-review workflows and help reduce severe harm across Facebook and Instagram.
  • Previously helped lead Community Messaging in Messenger, building experiences including Community Chats, Broadcast Channels, private channels, events, and side chats.
  • Worked on messaging systems serving 80M+ daily active users and processing 1.5B messages per month.

Bridgewater Associates β€” Senior Software Engineer

  • Built research and diagnostic tools that helped investment analysts understand markets and trace the provenance of signals.
  • Contributed to portfolio-construction systems, cutting portfolio-generation time by roughly half.
  • Developed platform capabilities for authentication, structured logging, security classification, and distributed systems.

Open source & projects

Project What it is
helloworld A community collection of Hello World programs across many languages. Contributions are welcome.
bufferapplike An early social-post scheduling application inspired by Buffer.
AlgorithmCoding A collection of algorithm and coding problems.
AxisHack A deployable translation server designed to help applications cross language barriers with minimal integration work.

I've also contributed to the Scala Compiler and Akka HTTP.

A little more about me

  • πŸŽ“ B.Tech. in Computer Science from IIT Bombay
  • πŸ† Competed in ACM ICPC regionals and hackathons; my team placed 4th at the 2015 Amritapuri regional and qualified for the World Finals
  • πŸ“š I like learning in public, mentoring engineers, and creating spaces for teams to exchange ideas
  • πŸŒ‰ Based in San Francisco

If you're working on thoughtful AI products, developer infrastructure, or hard systems problems, I'd be happy to connect.

Pinned Loading

  1. helloworld helloworld Public

    Helloworld programs in different languages,pull requests are welcome :)

    Assembly 165 76

  2. bufferapplike bufferapplike Public

    This app schedules your online posts like bufferapp

    Python 10 2

  3. AlgorithmCoding AlgorithmCoding Public

    Algorithm Coding Questions

    C++ 1

  4. projecteuler.net projecteuler.net Public

    projecteuler.net

    Python

  5. akka-http akka-http Public

    Forked from akka/akka-http

    The Streaming-first HTTP server/module of Akka

    Scala 1 1

  6. compilers compilers Public

    Compiler lab CS 306 cfglp

    C++