Blog

Hello! I'm Javier.

A Software Developer, writer and gamer.

I like to work on developer experience (DX) and on automation but I do a bit of everything.

Welcome to my blog, I hope you find some useful knowledge here.

Vibe Coding gets reviewed more, which makes it safer than you think

21st of December 2025 • 4 minutes read

TLDR: AI Code will get reviewed more, not less because competent engineers don’t open Pull Requests for code they can’t explain....

How to optimize a Docker based GitHub action

16th of October 2023 • 13 minutes read

In this guide, we will explore techniques for reducing the startup time of a custom GitHub action, achieving a speed improvement from an average of 1 minute to just 6 seconds....

My new desk setup

3rd of March 2023 • 1 minute read

I built a new desk! It handles both my work and my gaming, it is a standing desk and it has a nice looking monitor shelf....

My must have software after a fresh install

27th of February 2023 • 2 minutes read

Every time I get a new macbook I install the same programs. These are my installation instructions....

Svelte with Tailwind and Daisy UI

19th of October 2022 • 1 minute read

In this guide, we will see how to create a Svelte project with TailwindCSS and Daisy UI installed....

My friend Duck

6th of October 2022 • 5 minutes read

Today I want to drift away from talking about myself and my work. Today I want to talk about a friend....

The importance of saying no

27th of July 2022 • 9 minutes read

It’s always scary to say no, we are afraid of offending the other person, burning a bridge or sounding rude, but saying no is an important part of relationships....

Health.Wealth Hackathon technical analysis

25th of April 2022 • 12 minutes read

The Health.Wealth app was my team’s submission for the Amsterdam EthGlobal Hackathon. It won 1st price in Best Overall Project Built with Tatum.io and two honorable mentions by Wallet Connect and...

I am a lazy developer

21st of January 2022 • 7 minutes read

I’m a lazy developer. I automate everything I can so I don’t have to do it. There! I said it....

Took my third covid shot

24th of November 2021 • 2 minutes read

Today I took my third COVID-19 shot, the booster one....

Prace analysis

19th of December 2019 • 13 minutes read

Technical analysis of creating the Prace action...

Learning Scala

3rd of May 2017 • 7 minutes read

You have to make a Rest Api in Scala using Akka HTTP....

New Website!

9th of February 2017 • 2 minutes read

I moved my website from a PhP site hosted for free in Hostinger to a Jekyll powered site on Github Pages....

Got gifted Blue as a plush toy

15th of November 2016 • 1 minute read

I got Blue Square Flow logo gifted as a plush toy for my birthday. Look at it! It’s adorable!! And very...

Today I Took and Passed the Unity Certified Developer Exam

30th of September 2016 • 12 minutes read

Today, in Argentina, I was one of the first Argentinians who could take the Unity Certified Developer Exam....

Easy way to create a retro platformer with Unity

14th of September 2016 • 1 minute read

I can’t say I have a writer’s block if I don’t even try writing. So here goes nothing....

How I fought two days against an old scene

24th of June 2016 • 1 minute read

I have been fighting for a couple of days against a problem I had with a scene in Unity....