TLDR · PROGRAMMING, DESIGN & DATA SCIENCE

WITH ONLY 32 ENGINEERS

2023-08-28newsletter.systemdesign.one7 min read

Summary from the TLDR newsletter

This post outlines the engineering techniques that WhatsApp used to scale quickly. WhatsApp was able to support 50 billion messages a day from 450 million daily active users with only 32 engineers. The company focused on messaging, its core feature, and eliminated feature creep at all costs. With this focus, the team was able to prioritize reliability over everything else.

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