Developer & Content Creator

I Code Live, Share What I Learn, and Help Developers Grow

Full-stack developer from Guatemala. I build real projects on stream, write about what I learn, and offer mentorship for developers who want personalized guidance.

10+
Years Experience
Live
Coding on Twitch
Blog
Technical Articles
YouTube
Tutorials & Highlights

10+ years building software. Streaming the process so you can learn from real experience.

Latest from the Blog

Technical insights, tutorials, and lessons from building real software.

2026-07-27 · 17 min read

Fine-Tuning vs RAG: What I Learned Building a Chatbot

I needed a chatbot that knew my company's data, not the internet's. Here's the honest comparison between fine-tuning and RAG: real costs, failure modes, and the one mistake almost everyone makes.

AIRAGLLM
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Watch Me Code Live

I stream regularly on Twitch building real projects. Watch me solve problems, debug code, and explain my thought process in real-time.

Live on Twitch

Join the stream, ask questions, and learn by watching real development happen.

YouTube Channel

Edited tutorials, stream highlights, and deep dives into specific topics.

Want Personalized Guidance?

If you're looking for 1-on-1 mentorship to accelerate your career, check out my mentorship programs.

View Mentorship Programs