Sunil Pai
Founder at partykit
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolSunil Pai is a seasoned software leader and founder with 15+ years building high-performance web and realtime systems, currently leading Partykit to make collaborative, multiplayer apps easy to build. His career spans React core contributions at Meta, architecting large-scale commerce at Myntra/Flipkart, and improving developer productivity as a tech lead at Cloudflare and J.P. Morgan, where he rewrote CLIs and sped builds and deployments dramatically. A prolific open-source maintainer with 5k+ GitHub stars, he’s contributed to flagship projects like react, react-motion, vite, and Cloudflare’s Workers SDK—often tackling compatibility, tooling, and SSR challenges. He combines deep frontend instincts (inline CSS tooling, animations, JSX metadata) with full-stack and CLI experience, and has presented his work at major React and JS conferences worldwide. Based in London with an NITK computer science degree, he balances startup-building pragmatism with a history of shipping infrastructure that scales.
14 years of coding experience
12 years of employment as a software developer
Bachelor of Engineering - BE Computer Science, Bachelor of Engineering - BE Computer Science at National Institute of Technology Karnataka
Github Skills (36)
javascript10
worker-process10
react-native10
worker-pool10
testing10
css-in-js10
css10
worker-service10
typescript10
vite10
cloudflare-workers10
worker-threads10
esbuild10
react-testing-library10
front-end-development10
Programming languages (14)
Github contributions (5)
cloudflare/workers-sdk
Aug 2021 - Oct 2022
⛅️ Home to Wrangler, the CLI for Cloudflare Workers®
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:4 releases, 1127 reviews, 458 commits in 1 year 2 months
Contributions summary:Sunil made significant contributions to the `cloudflare/workers-sdk` repository, primarily focused on extending and enhancing the command-line interface (CLI) for Cloudflare Workers. They implemented new features, such as static asset serving, and service binding support and modernized the build process and added support for `[text_blobs]`. Their work included adding tests, refactoring code, and addressing issues to improve the developer experience. The user worked on adding, testing, and fixing multiple areas in the project.
cloudflarejavascriptserverlessworkerstypescript
threepointone/glamor
Jul 2016 - Sep 2017
inline css for react et al
Role in this project:Front-end Developer
Front-end DeveloperContributions:8 releases, 1 review, 614 commits in 1 year 2 months
Contributions summary:Sunil primarily contributed to the styling aspects of the 'glamor' library, which is focused on inline CSS for React and related technologies. Their commits introduced media query support, fixed bugs, and implemented server-side rendering capabilities within the library. The user also introduced support for css classnames and basic support for text/color attributes using aphrodite/glamor.
reactcsscss-in-jsinlineinline-css
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.