How Mozilla’s new language dramatically improved our server-side performance

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Like building state-of-the-art web apps? Come work at Figma!

At Figma, performance is one of our most important features. We strive to enable teams to work at the speed of thought, and our multiplayer syncing engine is a critical part of this vision. Everyone should see each change made to a Figma document in real time.

The multiplayer server we launched with two years ago is written in TypeScript and has served us surprisingly well, but Figma is rapidly growing more popular and that server isn’t going to be able to keep up. …


Evan Wallace

CTO of Figma

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