Worked as an independent contractor on AI-driven and backend-focused projects, specializing in multi-agent system architecture and cybersecurity solutions. Key projects and responsibilities: Multi-Agent Systems - Designed and implemented multi-agent communication pipelines using local LLM inference (Ollama), coordinating autonomous agents for task delegation, arbitration, and decision-making workflows. Local AI Inference Infrastructure - Built and optimized local inference servers using consumer-grade GPUs, enabling cost-efficient deployment of open-source models for production workloads. Cybersecurity - Conducted vulnerability assessments and incident response on Linux-based VPS environments, including detection and remediation of botnet infections, malicious cronjob patterns, and memory exhaustion attacks. Backend Architecture - Developed RESTful APIs using FastAPI and Python, integrating vector databases (ChromaDB) for semantic search and retrieval-augmented pipelines. Crypto Trading Bot - Built a multi-agent automated trading system with Binance API integration, using an LLM as an arbitration layer for signal validation. Core tech stack: Python, FastAPI, Ollama, ChromaDB, Docker, Linux, PostgreSQL, Binance API. Key skills: multi-agent orchestration, LLM integration, local AI deployment, Linux server hardening, threat detection and remediation, API design.

Worked as a Full Stack Developer at ProtonLabs, a software development company focused on building digital solutions for the Chilean market. Participated in the full product lifecycle, from architecture design to production deployment, covering backend, frontend, and infrastructure. Active product portfolio: consultaprevia.online - Legal chatbot built with a RAG (Retrieval-Augmented Generation) architecture, focused on indigenous consultation and environmental law. DeclaraFacil - Tax assistance SaaS using RAG over official SII documents to guide users through F22/F29 form completion. MiPortal360.cl - Chilean real estate portal with OAuth authentication, Google Maps/Leaflet integration, image uploads, and an admin dashboard. MedicoDigital - Virtual medical consultation platform with computer vision-based exam analysis and automated PDF report generation. Core tech stack: Next.js, FastAPI, Python, PostgreSQL/MySQL, ChromaDB, Ollama (local models), Docker, Cloudflare. Key skills: multi-agent architectures, RAG systems, web scraping, local AI inference infrastructure, deployment on VPS/Railway/Vercel, third-party API integration.

Design and development of full-stack web applications using React and Node.js/Express. Development of backend APIs with Python (Django/Flask) and PHP. Database architecture and optimization (MySQL, PostgreSQL). Implementation of authentication and user management systems (sessions, JWT). Web scraping and task automation using Python (BeautifulSoup, Selenium). UI/UX design and responsive web development (HTML5, CSS3, Bootstrap). Version control and collaborative workflows using Git/GitHub.