<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Carlos — AI engineering, machine learning, weird little web things</title><description>Dominican software engineer focused on AI engineering and machine learning.</description><link>https://heyimcarlos.dev/</link><item><title>Polymer Inverse Problem: Part 1</title><link>https://heyimcarlos.dev/blog/polymer-inverse-problem-part-1/</link><guid isPermaLink="true">https://heyimcarlos.dev/blog/polymer-inverse-problem-part-1/</guid><pubDate>Fri, 24 Apr 2026 00:00:00 GMT</pubDate><readTime>1 min</readTime><category>notes</category></item><item><title>The Boring Model Won</title><link>https://heyimcarlos.dev/blog/polymer-inverse-problem-part-2/</link><guid isPermaLink="true">https://heyimcarlos.dev/blog/polymer-inverse-problem-part-2/</guid><description>Building a Forward Model for Polymer Properties. Part 2 of a series on the polymer ML project I built during my time at TI Automotive. I tried four neural network architectures — a plain MLP, a ResNet, an ensemble, and a committee and the plain MLP won.</description><pubDate>Fri, 24 Apr 2026 00:00:00 GMT</pubDate><readTime>10 min</readTime><category>notes</category></item></channel></rss>