Engineering at Meta engineering.fb.com

Building Prometheus: How Backend Aggregation Enables Gigawatt-Scale AI Clusters

engineering.fb.com·13w·Hacker News

No Display? No Problem: Cross-Device Passkey Authentication for XR Devices

engineering.fb.com·13w

Rust at Scale: An Added Layer of Security for WhatsApp

engineering.fb.com·15w·Hacker News, r/programming, r/rust

Adapting the Facebook Reels RecSys AI Model Based on User Feedback

engineering.fb.com·16w

CSS at Scale With StyleX

engineering.fb.com·17w·Hacker News

Python Typing Survey 2025: Code Quality and Flexibility As Top Reasons for Typing Adoption

engineering.fb.com·20w

DrP: Meta’s Root Cause Analysis Platform at Scale

engineering.fb.com·20w

How We Built Meta Ray-Ban Display: From Zero to Polish

engineering.fb.com·20w

Zoomer: Powering AI Performance at Meta’s Scale Through Intelligent Debugging and Optimization

engineering.fb.com·24w

Key Transparency Comes to Messenger

engineering.fb.com·24w

Efficient Optimization with Ax, an Open Platform for Adaptive Experimentation

engineering.fb.com·25w·Hacker News

Announcing the Completion of the Core 2Africa System: Building the Future of Connectivity Together

engineering.fb.com·25w

Enhancing HDR on Instagram for iOS With Dolby Vision

engineering.fb.com·25w·Hacker News

Open Source Is Good for the Environment

engineering.fb.com·25w

StyleX: A Styling Library for CSS at Scale

engineering.fb.com·26w

Meta’s Generative Ads Model (GEM): The Central Brain Accelerating Ads Recommendation AI Innovation

engineering.fb.com·26w·Hacker News

Video Invisible Watermarking at Scale

engineering.fb.com·27w·Hacker News

Scaling Privacy Infrastructure for GenAI Product Innovation

engineering.fb.com·28w

Disaggregated Scheduled Fabric: Scaling Meta’s AI Journey

engineering.fb.com·29w

Scaling LLM Inference: Innovations in Tensor Parallelism, Context Parallelism, and Expert Parallelism

engineering.fb.com·29w

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