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Juan Valero

@juanvalero

Full-Stack Developer building client websites and web apps, plus an AI documentation search platform at AIRTEK.

At AIRTEK, I designed and developed a centralized web platform for internal tools, including corporate authentication, local caching, and keyboard shortcut search. I also implemented a local RAG system for technical documentation and network manuals using Qwen 2.5, Nomic-embed-text, and Ollama.

I integrated real-time response streaming and source visualization into the AI engine, and refactored local scripts and standalone executables into REST APIs for production deployment on Linux servers with PM2.

As a freelance full-stack developer, I design and deploy websites and web applications for clients and local businesses. My work includes REST API and database integrations, SEO and accessibility improvements, and end-to-end delivery from prototyping through deployment.

Experience

Work history, roles, and key accomplishments

Current

Full-Stack Developer

Current

Freelance Web Developer

Jan 2024 - Present (2 years 9 months)

Designed and deployed custom websites and web applications for diverse clients, optimizing SEO, accessibility, and load times. Developed frontend and backend architectures integrating REST APIs, relational databases, and payment gateways, managing the end-to-end delivery lifecycle.

SEO Accessibility REST APIs PostgreSQL MySQL Payment Gateways UI UX Prototyping Continuous Deployment

Software Development / AI developer Intern

Airtek

Jun 2026 - Jul 2026 (1 month)

Designed and developed a centralized web platform to unify access to internal tools, integrating corporate authentication, local caching, and keyboard shortcut search. Implemented a local RAG system for intelligent querying of technical documentation and network manuals, and integrated Server-Sent Events for real-time response streaming.