<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Erick Guillén</title><link>https://erickguillen.com/</link><description>Software engineer, game developer, writer.</description><generator>Hugo -- gohugo.io</generator><language>en-US</language><lastBuildDate>Fri, 23 Oct 2026 03:36:09 +0000</lastBuildDate><atom:link href="https://erickguillen.com/index.xml" rel="self" type="application/rss+xml"/><item><title>My "First" Game Jam Experience on itch.io</title><link>https://bitgardenstudio.itch.io/littel-squirrel-adventure/devlog/1723195/my-first-game-jam-experience-on-itchio</link><pubDate>Mon, 19 Oct 2026 00:00:00 +0000</pubDate><guid>https://erickguillen.com/blog/my-first-game-jam-experience-on-itch-io/</guid><description/></item><item><title>The Guilt of the Second Language</title><link>https://erickguillen.com/blog/the-guilt-of-the-second-language/</link><pubDate>Fri, 18 Sep 2026 00:00:00 +0000</pubDate><guid>https://erickguillen.com/blog/the-guilt-of-the-second-language/</guid><description>&lt;p&gt;Growing up in Costa Rica, a small and mighty country in Latin America in the early 2000s, learning English was — and remains to this day — a doorway to a higher-paying job and greater stability than knowing only Spanish (even if stability feels debatable today).&lt;/p&gt;
&lt;p&gt;Yet learning English remains a struggle for many. Some of us spent all of elementary and high school in English classes, only to graduate with little to no ability to actually speak or write complex ideas in English. &lt;strong&gt;Exposure does not yield effectiveness&lt;/strong&gt;.&lt;/p&gt;</description></item><item><title>The Importance of Domain Knowledge on the AI Era</title><link>https://erickguillen.com/blog/the-importance-of-domain-knowledge-on-the-ai-era/</link><pubDate>Wed, 09 Sep 2026 00:00:00 +0000</pubDate><guid>https://erickguillen.com/blog/the-importance-of-domain-knowledge-on-the-ai-era/</guid><description>&lt;p&gt;About a month ago, I hit an important realization on the realities of using AI.&lt;/p&gt;
&lt;p&gt;When I was at Xbox, as expected, we were on the token maxing stage of using AI for your work as much as possible.
After the big improvement AI had in December 2025, we started taking it to new heights. I started experimenting on what I could do; this change was not only about using AI, it was about &lt;mark&gt;reimagining how work could look&lt;/mark&gt; like with the new AI capabilities. After a few months I was doing what previously could take 3-5 engineers, in a fraction of the time.&lt;/p&gt;</description></item></channel></rss>