Systems Design & Architecture

My personal perspective on why System Thinking is becoming the most valuable skill in the age of...

When you have over 100 Lua scripts that need to share state, talk to each other, and run at under...

An MCP tool call is a tiny line of agent code that fans out to syscalls, library calls, and kernel...

Most developers underestimate how annoying 3D packing logic actually is until they try building...

Gurizada, outro dia eu tava pensando aqui comigo mesmo sobre como a gente, desenvolvedor,...

Everyone building robots right now is playing with the same Lego pieces. Same compute modules, same...

Learn how to design a distributed Shopify inventory sync system using microservices, event queues, and fault-tolerant patterns that keep stock counts accurate a

This is the fifth article in the Exeris Kernel series. The series has been building one coherent...

If you’re building scalable systems, understanding load balancing is essential. A Load Balancer...

If you have ever had a bug you could not explain, infinite loops, stale data, or memory leaks,...

Let me tell you how this usually goes. Studio builds a game. Gameplay feels great in internal...

Practical lessons from shipping an MCP server to 1,700+ daily npm downloads. Architecture, tool design patterns, and distribution strategy.

Building a Cloud-Native Event Ticketing System with DDD, Event-Driven Architecture &...

En el desarrollo de software moderno, la creación de objetos complejos es un desafío recurrente que...

Series: Building EDIFlow - A Clean Architecture Journey in TypeScript (Part 4/6) Reading Time: ~12...

LeetDezine The first time I heard "optimize for latency," I thought it meant "make it fast." So I...

All tests run on an 8-year-old MacBook Air. All results from shipping 7 Mac apps as a solo developer....

What if Java Consistently Used Intention Revealing Names for Inner Classes? (16...

I ship schema changes in an offline-first Expo app. I run migrations inside a single SQLite...

Part 1 of a series. The build follows in subsequent posts. Three frontend frameworks in the same...

From 50K RPS to 5M RPS: The Hard-Won Insights That Only Come From Scale My Load...

ABAP CDS Views Series — Part 9: Hierarchies, Recursive Structures, and Tree-Based Data Modeling in...

How to manage state in modern C++ using the functional core–imperative shell pattern—making dependencies explicit and improving testability and design.

You ship a Next.js-style SSR app with a global user store. A month later, a user files a bug: "I...

Scaling Full-Stack Applications in High-Compliance Environments: Architectural Patterns and...

With the introduction of the App Router, Next.js added two powerful server-side primitives: Server...

Why We Chose Next.js Over Everything Else for Client Projects Over the past five years,...

If you are a frontend developer and you are using TypeScript, you have probably asked yourself:...

This post is a continuation of the microservice I've been building. You can check out my last post in...

Financial systems must operate with a high degree of reliability. Even short periods of downtime or...

Tech Skills vs System Design: Lessons from Unlock’s Production Journey For years,...

Hey devs! I want to share a project I have been working on called SearchWala (Swift-Search-RS). ...

And that's not a bug. It's one of the most elegant algorithms in distributed systems. Every time you...

The MCP ecosystem is moving fast enough that a useful server can go from "published" to "effectively...

LinkedIn Draft — Workflow (2026-05-05) Something I keep explaining in architecture...

Your service is down. Latency spiked to 30 seconds. You pull up the architecture wiki, desperate to...

« Hold on, we need to talk, this doesn't add up » Friday morning, 9:15 AM. Françoise is in...

Skip the theory rabbit holes. This is the caching knowledge that shows up in system design...

TL;DR Monoliths have lower latency (nanoseconds for internal calls vs milliseconds for...

Modern applications are fragmented by default. A typical stack today might use: SQL for...

"We've finished the model... when do we get to the value?" Here's what I'm watching happen in real...

In the previous post, I walked through the compensation logic in each service. The code looks clean...

Last post was why. This one is what it looks like. The thing I said at the end of last post was:...

Struct embedding looks like inheritance to anyone arriving from Java or C#. It is not. Here are three bug shapes that prove it.

Something shifted in the last ninety days. While the headlines talk about 1.9% tech growth, those of...

Why? Ownership is the concept in Rust that determines how memory is managed. In...

A few weeks ago, I shipped the first reference implementation of a small specification I'd been...

This is Part 3 of a series that takes a GNOME application from an empty directory to acceptance into...