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At Facebook’s scale, we need to build and run a massive and secure web infrastructure, design beautiful user experiences, and craft blazingly fast client-side code. Facebook’s front-end engineers build products that impact more than a billion people every day. Our engineering culture isn’t afraid to question best practices and prides itself on shipping quality, performant, and stable code. Our experiences building products for Facebook has spawned industry-leading open source projects like React, Flow, and Relay.

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Culture
CSS at Scale With StyleX
Open Source NOV 11, 2025
StyleX: A Styling Library for CSS at Scale
Data Infrastructure MAY 20, 2025
Meta’s Full-stack HHVM optimizations for GenAI
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The Latest
Android OCT 2, 2024
React at Meta Connect 2024
Web JUN 13, 2024
MLow: Meta’s low bitrate audio codec
Meta Tech Podcast - Threads for Web
Core Infra MAY 14, 2024
Behind the scenes of Threads for web
Android MAR 26, 2024
Bringing HDR photo support to Instagram and Threads
Meta Tech Podcast episode 56
Android NOV 6, 2023
How Meta built Threads in 5 months
Meta Tech Podcast: What's it like to code at Meta?
Culture SEP 5, 2023
What is it like to write code at Meta?
AI Research AUG 14, 2023
Meta Connect 2023: September 27 – 28
Security & Privacy MAY 3, 2023
The malware threat landscape: NodeStealer, DuckTail, and more
Android APR 11, 2023
Why xHE-AAC is being embraced at Meta

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Open Source

Meta believes in building community through open source technology. Explore our latest projects in Artificial Intelligence, Data Infrastructure, Development Tools, Front End, Languages, Platforms, Security, Virtual Reality, and more.

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