Blog

Things I have had to work out properly — distributed systems, Node.js and the design decisions that only show up when something goes wrong.

Why single-server rate limiting fails in production, and how to build a resilient, distributed rate limiter using Express, Redis, and Lua.

June 12, 20264 min

Back to Basics: Understanding HTTP and REST APIs

A visual guide to how the web communicates, exploring the fundamentals of HTTP and the principles of RESTful architecture.

January 11, 20263 min

How to design highly available systems using fail-over and replication techniques, including uptime calculations and real-world examples.

December 26, 20254 min

Why distributed systems can't have it all, and how to make the right tradeoffs for your application.

December 24, 20253 min

A comprehensive guide to building maintainable and scalable software using the five pillars of object-oriented design.

December 24, 20243 min