Figma (2012-2021) I'm one of the cofounders of Figma, a collaborative browser-based interface design tool. My main contributions were to the rendering engine, the multiplayer collboration service, the vector and text editors, and the plugin system. Read more... esbuild (2020-present) My biggest open source project is esbuild, a very fast JavaScript and CSS bundler. It's main purpose is to bring ab