SEP 17, 2026

Friend Bubbles: Enhancing Social Discovery on Facebook Reels

Friend bubbles in Facebook Reels highlight Reels your friends have liked or reacted to, helping you discover new content and making it easier to connect over...

Backend Distributed Systems Performance Social Media Content Discovery User Engagement

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ZGateway: Learnings from Putting a Proxy in Front of ZippyDB

We’re introducing ZGateway, the proxy we are using to unify traffic through ZippyDB, Meta’s most widely-used key value store. As a bonus, it also enables...

SocialScale

1 min

Engineering15d ago

An Organizational Second Brain: Building an AI That Learns From Experts

We’ve built an AI agent that acts as a secondary expert for a given domain, making deep specialist knowledge readily available and preserved for anyone in an...

SocialScale

1 min

Weekly Brief

Top 10 engineering articles delivered every Monday.

Engineering23d ago

MetaRoCE: A New RDMA Transport Built for AI-Scale Ethernet

Training and serving frontier AI models depends on fast, reliable networks that move data between GPUs without wasting compute cycles. To meet this challenge...

SocialScale

1 min