Systems Design & Architecture

There's a particular kind of bug I've learned to be afraid of. It doesn't throw an exception. It...

Most tutorials tell you to start with a monolith. Here's why InternFlow went the other way — and what...

A few months ago I decided to build a Linux distribution entirely from scratch using LFS (Linux From...

Boost database performance with Rust and distributed architecture

Writing regular expressions without instant visual feedback is like writing code without a compiler —...

Proven architectural patterns that scale from prototype to production using React, FastAPI, and PostgreSQL.

Your API just shipped a breaking change. /users now returns fullName instead of first_name +...

MVC is the first thing anyone learns about Rails and the last thing people actually get right. The...

A practical look at Google Research’s linear elastic caching work in Spanner.

I solved 100+ System Design problems before I learned this framework

A skeptical review of Critical Code Studies (Marino, MIT Press). No methodology, lots of hype. With PDF link and citations.

In the modern digital workflow, information is scattered everywhere—source code repositories, PDFs,...

1. The Core Problem - Why Virtual Memory Exists Without virtual memory, every program...

When I encounter a system or data design decision I'm unsure about, I endeavor to ask the same thing:...

Originally published at malaymehta.com The Interview Trap If you look at most system...

You're building a B2B SaaS product. 50 enterprise customers. Each one wants their data isolated. Some...

Vending Machine System - State Pattern Implementation This is an implementation of the...

https://dev.to/krupali_gadhiy Left a comment that felt like a good way to end this series. They asked...

https://dev.to/krupali_gadhiy Left a comment that felt like a good way to end this series. They asked...

System design interviews are hard because they're open-ended. Here's exactly how I'd walk through...

This series of guides serves as both a learning resource for those new to microservices and a reference for experienced practitioners seeking to adopt .NET late

What does it take to teach an HTTP server to speak a protocol that isn't HTTP at all? Not "add a...

June 26 2026 Programming languages Choosing the right programming language for backend...

A structured framework for evaluating production systems across 12 dimensions — from architecture and security to AI readiness. Includes a scoring model used in

Introduction: The Challenge of Liquid Damage Liquid damage to electronic components, especially...

Sometimes the most elegant software architecture was designed centuries before software...

Most discussions around MCP focus on tool calling. That is natural. When people first see MCP, the...

Interoperabilidade em Sistemas de Saúde Pública: Desafios para Integração, Segurança e...

Classes, Objects, and Methods in Java When you start learning Java — or any...

Walk onto almost any factory floor today and the machines are coordinated by a small, rugged...

Overview In Week 4, I focused on a topic that every distributed system eventually...

Throughout my career, transitioning between CTO roles and, more recently, focusing purely on...

How PainTracker.ca uses local-first design, offline support, and user-controlled exports for sensitive pain tracking.

A low-level networking analysis of custom packet structures, Selective Repeat ARQ window flow controls, and congestion-throttling over UDP.

A compiler engineering guide to tokenizing source code, constructing Abstract Syntax Trees, managing lexical scopes, and runtime call stack evaluation.

A systems architectural analysis of Write-Ahead Logs, Sorted String Tables, Bloom filters, and LSM-tree compaction strategies.

Secure Data Stream System - Decorator Pattern Implementation This is an implementation of...

Definição É um padrão de projeto estrutural que permite adicionar comportamentos ou...

64 System Design Interview Questions, Ranked From Easiest to Hardest ...

## The Challenge Building scheduling systems that handle multiple users isn't trivial. You...

Supporting four distinct leak test modes on one machine requires a flexible PLC sequencing...

Building a Saga orchestrator in Python: why existing tools weren't enough and what I learned...

Every tool works. The handoffs between them don't. That's not a tool problem. It's an architecture...

I didn't plan to write "microservices" on a personal project. It started as a wellness app with...

We’ve been conditioned to think innovation = software. A new SaaS tool. Another mobile app. Another...

There is a powerful mechanism called "backpressure" derived from mpsc::channel. Alongside the...

When designing systems like Facebook, WhatsApp, Netflix, Amazon, or Instagram, one of the first...

Python, Java, and C# do not run your source code directly, they compile it to bytecode and run that on a virtual machine. The VM sounds intimidating but its cor