Hi, I'm Raúl Casado

Full-stack web developer with experience in production applications, legacy code maintenance, and continuous learning through my blog and personal projects.

Raúl Casado - Desarrollador Web

Latest from the blog

Notes from real projects: home servers, local AI, custom ROMs and the odd decision record.

All posts

My Local AI Lab on an Old PC: What Actually Worked

A detailed diary of building a private local AI setup on a Ryzen 5 5600 and GTX 1080 Ti: failed installs, model tests, context limits, RAG, agents, email classification, and the decisions that survived real validation.

The ROM That Was Not LineageOS: Two Days With My Dad's Tablet

A 2013 Samsung Galaxy Tab 3, a USB handshake that always failed, a hub I bought because of a wrong diagnosis, and a ROM that turned out to be something other than what its filename claimed. I ended up restoring stock Android, and that was the right call. Updated September 11th: why it kept booting into recovery, why no app store can work on Android 4.4, and how its flash storage died in front of me.

Check out my work

Take a look at my latest blog posts, portfolio projects, and professional experience.

  1. Blog

    Read technical notes, lessons learned, and decisions from real projects.

    Read the blog
  2. Portfolio

    Explore projects where I apply web development, backend, systems, and problem solving.

    View Portfolio
  3. About Me

    Learn about my experience, training, and how I work as a developer.

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My Tech Stack

Technologies I work with

See my full tech stack

JavaScript

Python

PHP

React

Let's talk

Open to interesting projects and opportunities. The quickest way to reach me is by email — I usually reply within a day.