My name is
GUILLERMO SIAS
Full Stack Developer · JavaScript · React · Node.js · Tailwind · Shopify · Sound Engineer with 10+ years in technology
[+] About
I am a Sound Engineer and certified Front End Developer (Desafío Latam), currently completing the Full Stack specialization. I come from over 10 years in audiovisual production and technical leadership, a world where "live" leaves no room for error: it gave me strong analytical skills, a rigorous problem-solving method and a cool head under pressure. Today I design and build digital solutions with JavaScript and TypeScript (React, Next.js and Node.js), with real production experience in generative AI: a RAG-based support assistant and this conversational portfolio, where you can ask an AI directly about my profile.
Technical leadership in audio and live production
Desafío Latam · pursuing Full Stack specialization
RAG assistant deployed in production
[+]Skills
Languages
Frameworks and libraries
Backend and data
Generative AI
Specialties
Version control
Platforms
[+]Projects
Asistente RAG
RAG-based customer support assistant: indexes knowledge PDFs and answers in a chat with streaming, conversational memory and vector search on pgvector.
Pizzeria
Full-stack pizza ordering app with catalog, cart and checkout, JWT authentication and a custom Express REST API.
Cuppon
Platform to create and manage discount coupons, designed for small businesses that want to automate promotions.
Inmobiliaria
Real estate listing site with property search and detail pages for each property.
[+] Contact
Have a project in mind or an opportunity? Leave me a message and I will get back to you shortly.