I am a Full-Stack Developer with hands-on experience in web development, specializing in React, TypeScript, and Node.js. My focus is building scalable applications with clean, maintainable code, grounded in a strong foundation of algorithms and relational database design.
Languages:
Data Science & ML:
Libraries and Frameworks:
Databases:
Tools:
I’m currently learning:
React Native
| PHP
| Docker.
Feel free to get in touch:
sergioac.madrid@hotmail.com
Production-ready AI agent built for a public sector client.
Specialized in answering policy queries using a type-safe React + TypeScript frontend and a Node.js/Express backend integrating Google Gemini API. Designed system prompts to ensure institutional accuracy and prevent hallucinations.
Progressive web app designed for visual storytelling.
Achieved a perfect 100/100 Lighthouse score across Performance and SEO. Architected a masonry layout with Next.js & Tailwind CSS, utilizing modern viewport units (svh) to resolve complex layout conflicts on iOS devices.
Full-stack messaging platform engineered for low latency.
Built with Node.js and Socket.io for bi-directional communication, featuring a robust PostgreSQL database schema for secure message persistence and user authentication.
