SEP 17, 2026

Ranking Engineer Agent (REA): The Autonomous AI Agent Accelerating Meta’s Ads Ranking Innovation

Meta’s Ranking Engineer Agent (REA) autonomously executes key steps across the end-to-end machine learning (ML) lifecycle for ads ranking models. This post...

AI Distributed Systems Performance Machine Learning (ML)Autonomous AI Agent Meta's Ranking Engineer Agent (REA)

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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