Technical Blog

Writing about software architecture, backend systems, and building scalable applications.

Making Architectural Decisions Under Real Constraints: Building a Scalable Intelligence Platform

September 27, 2025 • #architecture #nodejs #nestjs #ddd #decision-making

When you’re starting a new backend project, one of the first questions you face is: monolith or microservices? It’s tempting to reach for the latest patterns, but the right answer depends entirely on your constraints.

Shared Packages in Monorepos: Patterns

May 17, 2025 •

Shared Packages Best Practices: Lessons from Production

Shared Packages in Monorepos: Implementation

April 19, 2025 •

Shared Packages: The Solution to Microservices Code Duplication

Shared Packages in Monorepos: The Problem

April 12, 2025 •

The Hidden Cost of Copy-Paste in Microservices

Shipping Compact Catalog Service

March 05, 2025 •

Post #1 — borrador listo (en inglés, puedes publicar tal cual)

Concurrency in Node.js: Understanding and Implementing

July 27, 2024 •

In my latest exploration of Node.js, I delved into how this popular runtime handles concurrency. Building scalable APIs with Node.js has been an enlightening journey, and understanding concurrency is a crucial part of making your applications efficient and responsive.

Forke my first repo

November 11, 2023 •

Yesterday I forked my first repo with the intention to contribute to Open Source. Yes, Open Source was always on my list but I’d never took the decision to jump on it. So, someone mentioned and why not? I thought....

Build API with Bun and Elysia

September 15, 2023 •

I love go for a walk in the morning and listening some podcasts. And I remember how excited I was listening Ryan Dahl talking about Deno on this podcast by ChangeLog:

Refactoring API from Javascript to Typescript

August 31, 2023 •

I’ve been refactoring my old project stock-trade ( this is the 2nd time refactoring this project ) the first version of the project was written in Javascript, and using Postgresql as database. For the second version I decided to use...

Race Conditions in Nodejs

July 27, 2023 •

Recently I’ve implemented a backend API project by FreeCodeCamp, which is url shortener. You can see the project here

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