Systems Design & Architecture

This guide provides a comprehensive walkthrough for deploying cloud infrastructure using the Azure...

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

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

I've been on both sides of the interview table for over a decade. I've bombed interviews at companies...

Learn how to harness the power of the Raspberry Pi 5 to build a low-latency, high-availability edge cluster. We walk through the hardware setup and light-speed

{ "title": "How I Built a Crypto Trading Bot (Architecture Deep Dive)", "body_markdown": "# How I...

“Good state management doesn’t make apps bigger, it makes complexity visible and manageable.” ...

Testing Serverless Applications in the Cloud Your integration tests are failing again, not...

Last month someone on Dev.to asked how many templates I use for my calculator pages. When I said...

Welcome to Part 2 of the Flutter Interview Questions series! Now that you have the Dart and Flutter...

Posting a single "Founding Engineer" role to cover architecture, integrations, DevOps, and product...

I watched my processing pipeline slow to a crawl the first time Redis blinked—and realized the real bug wasn’t downtime, it was my assumption that ...

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

Veltix v1.6.2: Lighter, Faster, and a Rust Experiment Coming Hey Dev.to! I'm Nytrox, a...

I was recently asked an interesting JavaScript question in an interview: let obj = {}; let a = {...

Multi-tenancy is one of those SaaS architecture decisions that looks simple on day one and becomes...

Most Node.js apps start fast. The problem is they don't stay fast. I've consulted on dozens of...

Late Afternoon, Real System, Real Confusion The office was quieter than usual. Most people...

Your Rails app is slow. You know it. Your users know it. And the worst part is, half the time your...

Learn how to build a scalable cognitive layer for AI agents using Laravel 13, Supabase, and Redis to enable persistent memory and real-time reasoning.

Insights from 1 million DEV articles (2022–2026). Tags don’t just label articles — they reveal where...

Azure Landing Zones, subscription design, networking, identity — explained with real disasters, real fixes, and zero corporate jargon. Your cloud architecture t

My first Dev.to post about building ToolsOnFire covered the broad overview. This time I want to go...

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

The previous two articles of this series have provided introductions to Domain Driven Design...

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

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...

There's a gap between how AI agents are demoed and how they're actually deployed at scale. The demo...

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

Introduction: The Rust Paradigm Shift Rust’s borrow checker isn’t just a compiler...

Introduction When I started building REST APIs, caching was never part of the plan. It was...

If you’re preparing for a Flutter interview and not sure where to start, this series is for you. In...

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

In Part 1, we introduced a "middle ground" for Kafka retries: when a message fails, lock its key,...

`As a software developer, I've always believed that technology should solve real-world problems. One...

When I hear the word "3-tier architecture," it sounds like one of those big concepts people often...

I wanted to understand how real load balancers work under the hood, so I built one in Go using only...

Most FastAPI performance issues aren't caused by the framework - they're caused by architecture,...

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

When diving deep into how search engines actually rank pages, the best way to learn isn't just...

textlens is a free zero-dependency npm package for text analysis. Python developers kept asking for a Python version. I built a hosted REST API instead — here's

Building serverless applications on AWS is incredibly powerful, but the developer experience is...

Build a valid RSS 2.0 feed generator in PHP for video blog content with media thumbnails, caching, a

Building a scalable SwiftPM architecture using enums, DSL patterns, and compiler-enforced...

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

Neste artigo mostro como usar SmallRye Fault Tolerance com Quarkus para proteger um gateway Pix com...

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