Systems Design & Architecture

There’s a moment in every engineer’s career when they realize that the hardest part of building something isn’t the first version. It’s… Continue reading on Med

Forty percent of the companies that split into microservices now say they regret it. I don’t think that’s really about the technology. Continue reading on Level

Explore event-driven and request/response architectures for microservices, and learn how to choose the right approach for your service boundaries.

The Biggest JavaScript Myth Isn’t About this Continue reading on JavaScript in Plain English »

Mocks are useful, but they cannot tell you if your EF Core mapping is wrong, your migration is broken, or your SQL query behaves… Continue reading on Medium »

MarketNow ahora soporta EN, ES, PT, ZH, FR. Así implementamos i18n completo en React + Vite sin librerías pesadas.

I had been doing web dev for most of my coding career. I'd take breaks from it now and then, building...

Why I'm Thinking of Switching My Portfolio to Astro.js Lately I have been spending most of...

CSP_NONCE only works correctly when both the backend and the Angular frontend cooperate. Neither side alone is sufficient. Continue reading on Medium »

If you’re reading this, there’s a decent chance you have a system design round coming up soon, you’ve been putting off preparing because… Continue reading on Le

How I built PDFCraft — a complete offline-first PDF toolkit using React, TypeScript, and WebAssembly. Your files never leave your device.

The problem A message-processing system that comfortably handled 50,000 messages/second...

Same uncle, this time in "Database Architect" mode. Same nephew, this time asking the question every...

I’ve sat in both chairs for this interview. The first time I took it, I got a technically correct answer, got rejected, and had no idea… Continue reading on Cod

The Liskov substitution principle (LSP) states: Objects of a superclass should be replaceable with...

Somewhere around the hundredth engineer I coached, I noticed something. Nobody was struggling with...

I Thought I Knew What I Was Getting Into Continue reading on Medium »

A gente sempre ouve falar que o sistema operacional impede que um processo veja a memória do outro ou...

a name went into a terminal table and came out broken. the surname was 𠮷田. that first character is...

Somewhere Along the Way, I Forgot Who Was Reading My Code Continue reading on Medium »

"The cloud isn't magic. It's networking happening at an incredible scale." In the first article of...

A few years ago, having a responsive website was enough to stay competitive. Today, that’s merely the starting point. Continue reading on Medium »

Table of Contents Part 4: The System Design Interview - Continued 1. Caching 🗂️...

How I built a provider-neutral external commerce hub for a Medusa.js marketplace—and how adding a second provider proved whether the architecture was actually r

The glob loader resolves base paths from process.cwd(), not from the config file. In a monorepo build, that silently empties your content collection with no err

Host directives are a great way to compose reusable behavior in Angular, but they had one frustrating...

State management is one of those problems that every React developer eventually has to solve — and solve well. As applications grow, so… Continue reading on Web

Apache Kafka has become the de facto standard for real-time data streaming and event-driven architectures. But simply adopting Kafka isn’t… Continue reading on

After we added a message broker to our ERP the check-in flow worked like this: When a visitor checked in the visitor service updated the… Continue reading on Re

When you first start building applications in Laravel, the framework makes it incredibly easy to move fast. But as business requirements… Continue reading on Me

If you've spent any time exploring backend engineering, distributed systems, or system design, you've...

Node graphs (or commonly referred to as Visual Programming Language) are extremely good at being intuitive, visual and approachable. Continue reading on Medium

If you’ve been building Angular apps long enough, you already know that pipes are not just about formatting text or changing dates. Pipes… Continue reading on M

If you’ve been building Angular apps long enough, you already know that pipes are not just about formatting text or changing dates. Pipes… Continue reading on M

The Simple Concept That Unlocked Everything: A personal story Continue reading on Medium »

In the early stages of software development, a simple health check or a log file is often enough to keep a system running. But as your… Continue reading on Medi

Every developer has that one project. The passion build that sits in the back of your mind for...

Introduction to Hydration and Rendering Strategies In the relentless pursuit of faster,...

Abstraction is one of the four fundamental pillars of Object-Oriented Programming (OOP). It helps us simplify complex systems by hiding… Continue reading on Med

ArcGIS Pro has a powerful Python runtime through ArcPy, but it is not a lightweight dependency. It is...

A curriculum has components, dependencies, and failure modes — just like a distributed system. How applying software thinking to instructional design changed

The SRE Hiring Problem SRE roles are notoriously hard to fill. The intersection of...

I have shipped WebRTC on three different products now, and it still surprises me. I am not proud of...

If you sit in on enough system design meetings, you inevitably witness the exact same debate play out...

In Parts 1 and 2, we covered how a video gets uploaded, processed, and streamed to viewers globally. But two of YouTube’s hardest… Continue reading on Medium »

When developers begin learning C#, one of the first things they hear is: Continue reading on Medium »

Hey developers!🚀 I just deployed Tree of Knowledge (TOK), a live production-ready interactive 3D...

You have built both without fully naming them. Here is what frontend and backend actually mean and how they work together. Continue reading on Medium »