Backend Engineering

The Concurrency Collision As your B2B SaaS platform at Smart Tech Devs scales to handle thousands of...

This was originally posted on my blog. I was not planning to build a rate limiting library. I had a...

REST vs gRPC REST changed how applications communicate over the internet. But when companies started...

All tests run on an 8-year-old MacBook Air. All results from shipping 7 Mac apps as a solo developer....

Supabase vs Firebase in 2026 — the definitive comparison. We break down pricing, database, auth, real-time, storage, and DX so you can pick the right backend fo

System Weakness isn’t always about a 0-day vulnerability or an unpatched server. Often, the most devastating system weaknesses are… Continue reading on System W

That title sounds dramatic. Continue reading on The Tech Notes »

RGB → YUV420P → delta frames → DEFLATE → and all the way back. No libavcodec, no magic, just ~150 lines of C++ and zlib. Continue reading on Medium »

Depois de tantas aplicações do tipo console, treinando OOP, chegou a hora de praticar e fazer uma...

I stumbled on Pake today. It’s sitting at 2,400 stars on GitHub. That kind of jump in one day made me...

C++ has been around since 1985, yet it refuses to go away. Many new languages appear every year, promising to make coding easier or faster… Continue reading on

Ruby is famous for its elegant ecosystem of Gems. Every Rails developer uses gems daily — whether it’s Devise, Sidekiq, Pundit, or RSpec… Continue reading on Me

You add a sixth Lambda trigger to your OrderEvents table, deploy it, and within 20 minutes your SLA...

Webhooks are one of the most common ways SaaS platforms communicate with external services. They...

Introduction: Imagine a World Without Rules… Think about a mobile phone. Every mobile can take...

I'm currently completing a Full Stack Development internship with CodeAlpha, and the first project is...

Babel is not always required. You can often skip it if you’re targeting modern browsers. Continue reading on Medium »

Idempotency is one of the most important concepts in backend engineering, especially for SaaS...

Programming and scripting are closely related concepts in software development, with scripting being a subset of programming. Both involve… Continue reading on

My API broke at exactly 00:00 UTC on January 1st. Not the users' midnight — UTC midnight . Which meant our users in Tokyo had been living with broken data since

In the world of cross-border e-commerce, malicious bot scraping leading to Meta/Google Pixel pollution is a nightmare for every seller… Continue reading on Medi

I Built a Machine-Verifiable Contract System for Python Code — Here's How It Works Last week I wrote...

There is a particular kind of panic that hits when a commit looks like it just vanished. Maybe you...

In C#, ref, out, and in are keywords used to pass arguments to methods by reference rather than by...

Most frameworks begin with a question. The Trinity-Infinity Framework was no exception. It did not...

Dalla libreria embedded che ha invaso ogni dispositivo a un’implementazione moderna con concorrenza,...

I'm experimenting with an alternative implementation of portage in Rust. It is quite different from...

Quick-Fix Summary Box If you're in a hurry and just need the short version, here it...

The feature that worked taught you nothing. You just confirmed what you already believed. The bug is...

Without Touching Your React Components Continue reading on Medium »

Two months ago I wrote about building Info Links — a free course resource platform for students at Le...

Version and Protocol Filtering in Hyperlane Project...

I spent Days 57–61 building the same counter program over and over. Not because I kept breaking it...

Server Configuration Project Code：https://github.com/hyperlane-dev/hyperlane ...

Master regex with practical patterns, real-world examples, and debugging techniques. Covers flags, named groups, lookaheads, catastrophic backtracking, and more

We've all been there. You're sitting at your desk late at night, watching a backend tutorial, fueled...

JavaScript is single-threaded, but modern applications constantly perform asynchronous operations such as API calls, database queries… Continue reading on Mediu

Not clever abstractions — just disciplined engineering Continue reading on Dev Genius »

One using statement. 65,535 sockets. Zero warnings until the pager went off. Continue reading on Medium »

One using statement. 65,535 sockets. Zero warnings until the pager went off. Continue reading on Medium »

If you've ever had to generate PDFs from a Node app — invoices, receipts, reports, certificates —...

Database Integration with Hyperlane Project...

Database Integration with Hyperlane Project...

Authentication Middleware in Hyperlane Project...

I've been learning Go and wanted a project that felt a little different from another web app. So I...

Event Handling Basics in euv Project Code：https://github.com/euv-dev/euv euv is a Rust...

Let’s be honest: when most developers hear "Classic ASP," they picture legacy Windows Servers, clunky...

Ekehi platform has moved from hand-written HTML/CSS/JS pages to a typed, component-driven React 19...