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.
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.