Backend & Cloud Systems
Designing systems that scale from 1 to millions. Event-driven architectures, microservices, and cloud-native solutions that don't fall over.
Node.js AWS Microservices Kubernetes
Software & AI Engineer · Building in Public
I build software
that actually ships.
10+ years designing backend systems, AI platforms & products. From Colombia to global scale.
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Expertise
What I Do
Three things I'm deeply obsessed with.
AI & Generative Systems
Building agentic AI, RAG pipelines, and multi-agent orchestration. Making AI actually useful, not just impressive.
Python LLMs RAG Multi-Agent
Building in Public
Shipping side projects for 10 years and learning in the open. Sharing the wins, the failures, and everything in between.
Appcitas WalioAI SaaS Indie
Projects
Things I've Built
Side projects I care deeply about.
2026
WalioAI
AI lead generation assistant for Instagram, Facebook, and WhatsApp.
Node.js Python LLMs AWS
Wife's project :)
Arquisara
Personal brand site for Sara, architect and content creator with 60k+ followers.
Astro Tailwind CSS TypeScript Vercel
10 years
Appcitas
WhatsApp appointment automation for clinics, barbershops, and service businesses.
Node.js AWS WhatsApp API PostgreSQL
Blog
From the Blog
Thoughts on software, AI, and building things.
· 5 min read
How I Built a Copilot AI at VTEX: RAG, Multi-Agent, and What I Learned
A technical deep-dive into designing the agentic AI system that powers VTEX's Copilot feature.
EN AI RAG
· 5 min de lectura
Cómo Construí un Copilot AI en VTEX: RAG, Multi-Agente y Lo Que Aprendí
Un deep-dive técnico sobre el diseño del sistema de IA agéntica que impulsa el Copilot de VTEX.
ES AI RAG