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Engineering Insights & Guides

The best problem-solving writing in software engineering — databases, performance, security, frontend and distributed systems, in one feed.

11,841 articles
AI & ML — Why demand for designers is on the rise

Why demand for designers is on the rise

Our latest study suggests that AI is driving renewed momentum in design hiring. We unpack why that is, what hiring managers prioritize, and which skills designers need to get ahead.

AHAndrew Hogan·February 10, 2026AI & ML
Engineering — Quick Hit #96

Quick Hit #96

Una Kravets announces border-shape with a couple of cool demos.

DSDaniel SchwarzDaniel Schwarz·February 9, 2026Engineering
SRE & Ops — Building Prometheus: How Backend Aggregation Enables Gigawatt-Scale AI Clusters

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

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 connect thousands of GPUs across multiple data centers and regions. Our BAG implementation is connecting two different network fabrics – Disaggregated Schedule Fabric (DSF) and Non-Scheduled Fabric (NSF). Once it’s complete our AI […] Read Mor

CWChris Wiltz·February 9, 2026SRE & Ops
Engineering — Quick Hit #95

Quick Hit #95

Adam Argyle quickly outlines the upcoming customizable <select>.

DSDaniel SchwarzDaniel Schwarz·February 6, 2026Engineering
Engineering — Launching The Rural Guaranteed Minimum Income Initiative

Launching The Rural Guaranteed Minimum Income Initiative

It's been a year since I invited Americans to join us in a pledge to Share the American Dream: 1. Support organizations you feel are effectively helping those most in need across America right now. 2. Within the next five years, also contribute public dedications of time or funds towards longer term efforts to keep the American Dream fair and attainable for all our children. Stay gold, America. 💛

JAJeff AtwoodJeff Atwood·February 4, 2026Engineering
AI & ML — Pick your agent: Use Claude and Codex on Agent HQ

Pick your agent: Use Claude and Codex on Agent HQ

Claude by Anthropic and OpenAI Codex are now available in public preview on GitHub and VS Code with a Copilot Pro+ or Copilot Enterprise subscription. Here’s what you need to know and how to get started today.

MRMario RodriguezMario Rodriguez·February 4, 2026AI & ML
Security — No Display? No Problem: Cross-Device Passkey Authentication for XR Devices

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

We’re sharing a novel approach to enabling cross-device passkey authentication for devices with inaccessible displays (like XR devices). Our approach bypasses the use of QR codes and enables cross-device authentication without the need for an on-device display, while still complying with all trust and proximity requirements. This approach builds on work done by the FIDO […]

CWChris Wiltz·February 4, 2026Security