Systems Design & Architecture

A heavier session today — some solid React mental models and then a proper deep dive into...

Most textbooks tell you that Abstraction is about "hiding complexity." But let’s be honest: a simple...

Clean Architecture: Projektstruktur und Ebenen In einem professionellen iOS-Projekt ist...

Part 2 — Architecture, MVI, and the Offline-First Decision In Part 1 I wrote about the...

Fala, comunidade dev! 👋 Nós passamos o dia inteiro escrevendo código para rodar dentro de um...

We're Running a Contest — Refactor to Hexagonal Architecture and Win a Book I just...

Ever clicked a 3D object in Three.js and the raycaster hits somewhere completely wrong? You're not...

The Worlds of Distributed Systems — Chapter 11 (Practical Adoption Guide) “Nice theory… but what...

I wanted a tool to run NOC failure drills without setting up a lab. Everything I found was either...

How do you compare software architectures objectively? It's a challenge many teams face. In this...

Designing BPMN processes is easy — but designing them correctly is what matters. In this article, I...

EdTech has unique technical requirements that general-purpose web app architecture doesn't prepare...

setState works fine when your Flutter app has three screens. When it has thirty, things change....

Some people, when they try to explain DTOs, make it too simple just to be easy to understand — but...

Building a simulation engine using Python, NetworkX, and Streamlit to model cascading failures in...

If you are coming from JavaScript or Typescript, pointers in Go can seem overwhelming or unnecessary...

If you're a software engineer, you've probably spent hours staring at dry UML diagrams or reading...

Here's a scenario that might be familiar. A team is building on a microservices architecture. Things...

Part Two of Building the Better Store described the use of DDD Strategic Patterns as tools for...

Building Native macOS Apps with Claude Is a Different Beast Than Web Dev If you have used...

What you'll learn: How Netflix streams video to 230 million users without buffering. How DRM...

Many developers hear about Clean Architecture but struggle with one simple question: How should I...

Most physics engines treat determinism as an optional feature. I wanted to build one where it was the...

The hidden architecture flaw that makes email-dependent tests non-deterministic — and the pattern that fixes it permanently.

The Atomic Query Construction (AQC) design pattern is all about precision, clarity, and...

You've written Python for years. Now you're picking up Go. This isn't a tutorial — it's a guide to rewiring your instincts.

For years, NgRx was the go-to solution for state management in...

Introduction Developing reactive UIs in Go has long been a double-edged sword. On one...

Beyond Basic Types: Mastering TypeScript's Advanced Type System for Robust Applications If...

The release of Angular v21 marks a pivotal moment. With Signal Forms becoming the new standard, the...

In the world of AWS, "default" settings are often the fastest way to an expensive monthly bill....

Most web developers today live in a world of abstractions. The Network is a black box that delivers...

Compile-Time Safety, Type Constraints, and When to Write Code Twice Eleanor is a senior software...

Hi! Today, I learned to make my own classes. I did run into a few problems whilst working on today's...

The Mental Gymnastics of Data We’ve all been there. You start with a simple Document DB because "it’s...

Introduction Many developers learn Object-Oriented Programming by focusing on...

"Can you explain how React hooks work?" You know hooks. You use them every day. You've built entire...

The Worlds of Distributed Systems — Chapter 10 “Will this feature work reliably?” “Yes—but it...

Distributed systems are inherently stateful. Whether you're managing a database connection pool, a...

In a previous tutorial, we covered route visualization with Leaflet. Now let's explore how to achieve...

Originally published on Medium A real-world breakdown of 5 compounding failure modes — memory...

When human users click buttons in your SaaS, they have intuition. If a page hangs, they refresh. If...

The M:P:G model is the core of Go's concurrency model, and it is one of the most efficient among...

We’ve all been there. A downstream database has a momentary blip. Your service instances, being...

Simple coding example 1 for Bank system: A Bank Account has common features like accountNumber,...

"I can handle the connections," it said. "I am one. I am shared. I am efficient," it said. And for a...

Modern applications often need to process thousands or even millions of events every second. As...

A deep dive into building a real-time leaderboard REST API powered by a skip list data structure implemented from scratch — with benchmarks, LRU caching, and a