Engineering & Developers

Resources and news for engineers and Discord app developers.

Come Build Where the World Plays

How Discord Reduced Websocket Traffic by 40%

Investigating Discord’s React Memory Leak

Using Rust to Scale Elixir for 11 Million Concurrent Users

Redesigning the Discord Overlay

How Discord Handles Two and Half Million Concurrent Voice Users using WebRTC

How Discord Maintains Performance While Adding Features

Why Discord is Sticking with React Native

How Discord Renders Rich Messages on the Android App

Why Reactiflux, Vue Land, Yarn, and other open source communities use Discord

How Discord Resizes 150 Million Images Every Day with Go and C++

Lessons from migrating a large codebase to React 16

Parent’s Guide to Discord

How Discord Scaled Elixir to 5,000,000 Concurrent Users