Meta recognizes the long-term benefits of jemalloc, a high-performance memory allocator, in its software infrastructure. We are renewing focus on jemalloc,...

Santander faced a significant technical challenge in managing an infrastructure that processes billions of daily transactions across more than 200 critical...

This post describes why ProGlove chose a account-per-tenant approach for our serverless SaaS architecture and how it changes the operational model. It covers...

We are open-sourcing the initial version of RCCLX – an enhanced version of RCCL that we developed and tested on Meta’s internal workloads. RCCLX is fully...

When we kicked this off, we weren’t trying to ship an “AI feature.” We were trying to fix a structural... The post Our Multi-Agent Architecture for Smarter...

WHAT IT IS The rise of agentic software development means code is being written, reviewed, and shipped faster than ever before across the entire industry. It...

We’re sharing details of the role backend aggregation (BAG) plays in building Meta’s gigawatt-scale AI clusters like Prometheus. BAG allows us to seamlessly...

In Part 2, we will peek under the hood at the tooling that makes the Spotify release process possible. The post How We Release the Spotify App: A Look Under...

In this post, we share how Convera used Amazon Verified Permissions to build a fine-grained authorization model for their API platform.

We’re sharing a novel approach to enabling cross-device passkey authentication for devices with inaccessible displays (like XR devices). Our approach bypasses...

In this post, we explore how the Amazon Key team used Amazon EventBridge to modernize their architecture, transforming a tightly coupled monolithic system into...

This post explores the architectural patterns, challenges, and best practices for building cross-partition failover, covering network connectivity,...

In this post, we explore how Artera used Amazon Web Services (AWS) to develop and scale their AI-powered prostate cancer test, accelerating time to results and...

Learn how GitHub built an accessible, multi-terminal-safe ASCII animation for the Copilot CLI using custom tooling, ANSI color roles, and advanced terminal...

WhatsApp has adopted and rolled out a new layer of security for users – built with Rust – as part of its effort to harden defenses against malware threats....

TL;DR Established in 2022 as a way to help support the great open source ecosystem projects that Spotify... The post Congratulations to the recipients of the...

User feedback led us to clean up outdated mitigations. See why observability and lifecycle management are critical for defense systems. The post When...