Systems Design & Architecture

Shopify Staff Engineer Guilherme Carreiro discusses building and scaling highly customizable platforms. Using Shopify’s Liquid theme system as a case study, he

The Problem We Were Actually Solving I was the lead systems engineer on a project to build...

If you’re like most engineering teams I know, you’re drowning in AI-generated code. Continue reading on BeyondIT.Blog »

Why I built this Every time I start a new project, I love to go with nextjs + mui...

Hey dev.to community! 💻 I’m Mountek, the System Designer at VecTrade.io. We recently launched...

When product managers talk about gamification—features like daily missions, experience points (XP),...

Topology rewrite not bug repair. A single line. Hold it. More as the build matures. — chiefmojo79

And honestly, it was a wild ride. Continue reading on Stackademic »

Recap In the previous chapters, we explored: Scheduler internals Memory and graph...

I was thinking of making a Redis Clone as a project as I need more substantial projects on my resume, I'm just not sure whether I'd want to learn Rust or use C

In Part 1, I shared the real-time market data platform I built. This post focuses on one architectural decision that shaped everything… Continue reading on Medi

Architecture preempts the experiment. A single line. Hold it. More as the build matures. — chiefmojo79

Service Discovery in Distributed Systems Service Discovery in Distributed...

What most system design articles skip is the part where you explain why the boring choice...

The framework that separates staff engineers from senior engineers is not a larger inventory of patterns. It is four questions, asked… Continue reading on Stack

Topology rewrite not bug repair. A single line. Hold it. More as the build matures. — chiefmojo79

Topology rewrite not bug repair. A single line. Hold it. More as the build matures. — chiefmojo79

Concurrency is byproduct of capability design not bottleneck to patch. A single line. Hold it. More as the build matures. — chiefmojo79

An operation is idempotent when performing it multiple times produces the same result as performing it once. That definition is short… Continue reading on Mediu

Your order processing service runs on SQS. Normal load: 200 orders/min. Consumers keep up...

Welcome to the first official post in our Zero to Hero in System Design series! Continue reading on Medium »

The Single Database Problem In 2004, Facebook launched. One server. One database. By 2008, they had...

Designing a Real-Time Collaborative Document Editor: Architecture, Tradeoffs, and Practical...

Originally published at docs.cmdop.com/blog/execution-state-continuity-06-the-boundary — part of the...

Originally published at docs.cmdop.com/blog/execution-state-continuity-05-session-primitive — part...

Concurrency is byproduct of capability design not bottleneck to patch. A single line. Hold it. More as the build matures. — chiefmojo79

The PR That Started A Twenty-Comment War The code was fine. Logic was correct. TypeScript...

The Question Nobody Should Be Asking "Should I use SQL or NoSQL?" It's the most Googled database...

The Theorem That Changed How We Think About Databases In 2000, Eric Brewer stood at a conference and...

How to Structure Reusable Components in a Next.js Project One habit separates Next.js codebases that...

A practical look at Tony Hoare’s CSP, why shared-memory concurrency becomes painful, and how Go turned an old computer science idea into goroutines and channels

The hydraulic system is the most important system in an excavator. It converts engine power into hydraulic energy, enabling the machine to… Continue reading on

Architecture preempts the experiment. A single line. Hold it. More as the build matures. — chiefmojo79

The Great Showdown: Scalability vs. Performance - Which One Reigns Supreme? Ever felt like...

How tracing one realistic query changed our entire graph topology — and the design principle it left behind. Continue reading on Medium »

Concurrency is byproduct of capability design not bottleneck to patch. A single line. Hold it. More as the build matures. — chiefmojo79

When starting a new project or scaling an existing system, the question "how should we design the...

Sunday Notes: The Workflows Your Team Runs But Never Writes Down Every team I've talked to...

Architecture preempts the experiment. A single line. Hold it. More as the build matures. — chiefmojo79

Architecture preempts the experiment. A single line. Hold it. More as the build matures. — chiefmojo79

Most linked lists eventually end. You keep following nodes and finally reach: null But what if...

TypeScript Deep Dive: Advanced Types and Patterns (2026) You know the basics of...

If you’ve been learning software development, you’ve probably heard the terms Monolithic Architecture and Microservices Architecture. Continue reading on Medium

The Problem We Were Actually Solving As a systems engineer at Veltrix, I was tasked with...

If you've been learning software development, you've probably heard the terms Monolithic Architecture...

Concurrency is byproduct of capability design not bottleneck to patch. A single line. Hold it. More as the build matures. — chiefmojo79

How to source PCB assembly from China — choosing factories, reading Gerbers, understanding IPC standards, and running quality inspection.

This software works in parallel with the CPU and GPU, using FPS as the primary focus and temperature...