Systems Design & Architecture

About a year ago, I was working on a payment app. Solid architecture, clean API design, decent...

How caching sessions and temporary AWS credentials in Redis turned our auth layer from a bottleneck...

This is the next story of following post:...

1️⃣ The Frontend Myth For years, most developers believed: “System Design is only for...

iOS interviews in 2026 are different from what they were even two years ago. Companies now expect you...

I open-sourced a full product adoption toolkit — changelogs, tours, checklists, feedback widgets. Here's the code, architecture, and why it's < 3 kB.

With the explosive growth of AI agents, distributed systems, and decentralized applications (dApps),...

🚀 Tired of rewriting CRUD logic in every Laravel project? After building countless APIs, I got fed...

In Part 1, we explored Semantic Kernel's core architecture. Now it's time to dive deep into what...

Lab: Enterprise Upgrade — CloudFront + SQS DLQ for Serverless Upload Pipeline ...

Stop Writing Spaghetti Code: A Developer's Guide to Clean Architecture in Node.js I've...

For most of my career, I have lived in the middle tier. I built REST APIs. I designed microservices....

Azure Functions for .NET Developers: Series Part 1: Why Azure Functions? Serverless for .NET...

Imagine a bustling coffee shop at peak hours. Orders are flying in, baristas are juggling multiple...

The Problem That Started It All A few months ago I published a post about using...

The other day, I was browsing Reddit, and found an Architecture proposal for Django projects called...

Stop Writing Spaghetti APIs: A Practical Guide to Clean REST API Design We've all been...

```json{ , , /docs/components">Building Components . The Attribution Blind Spot in Component Based Development Modern web architecture has evolved int

Serverless Architecture: When and How to Go Serverless Picture this: you've just shipped a...

A Step-by-Step Beginner-to-Intermediate Learning Path How to use this guide: Read...

Θεωρητική Θεμελίωση 1. Γιατί υπάρχουν τα Design Patterns; Τα Design Patterns δεν είναι "μαγικές...

A technical deep-dive into event marketplace architecture: search, availability, messaging, and scaling patterns for a food-truck platform like RoFoodTruck...

Introduction Recently, AWS added support for identity columns and sequence objects . This...

How to build a ridesharing profit calculator: data model, cost allocation, rounding, and UI patterns for Uber/Bolt drivers in Romania.

This is where companies test whether you can build something that works fast for 10 users and also...

Every developer has code they're ashamed of. Bugs they've hidden. Interviews they've bombed. I built...

The Worlds of Distributed Systems — Chapter 5 “Just catch all exceptions and show the user: ‘An...

The Invisible Performance Killer: The "Memory Wall" Modern hardware has a secret: Your CPU...

Learn the SOLID principles in C# with real-world .NET examples. Includes definitions, code samples, and practical scenarios for interviews and production system

If you're wiring keyboard events inside Angular components using @HostListener, your architecture is...

It was 3 AM when I had the idea for Navi a few months ago. I was in bed thinking about the impact of...

As developers, we are experts at debugging complex microservices, but we often ignore the most...

A hands-on tutorial for shipping full-stack projects without frontend frameworks — less tooling, fewer dependencies, and an architecture that actually scales.

Today, before the article, let me introduce our new site — currently in beta: 🚀 Free...

For a while I genuinely could not figure out what was wrong. Nothing was throwing errors. The service...

If you've ever bombed a JavaScript interview because you understood a concept but couldn't explain it...

Most pipeline failures aren't caused by bad code. They're caused by no architecture. A script that...

If you scrape the modern web, you probably know the pain of the JavaScript challenge. Before you can...

In the previous article, I introduced SmartOrder as a modern microservices reference platform...

How do you enforce contracts between layers in plain JavaScript? This is how I implemented hexagonal...

In the world of distributed systems and microservices, observability has become crucial for...

Distributed tracing helps teams monitor and debug microservices applications by tracking requests as...

Deep-dive: cum proiectezi o event-driven architecture pentru listări auto, dealeri verificați și leasing, cu outbox, idempotency și observability.

Learn how to maintain visual consistency in your app icons with stroke weights, grid systems, and style guides. Start designing cohesive icons today!

⚠️ Disclaimer: This project was formerly a high-frequency routing and resource scheduling backbone...

Yes, you read it right. When building serverless applications on AWS, one little thing seems to be...

Laravel has evolved dramatically in recent years. Laravel 11 and 12 deliver a slimmer skeleton,...

While building automation frameworks for distributed systems, I ran into a common but frustrating...