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Senior Fullstack Engineer · AI Systems Builder · Next.js · TypeScript · LLMs
VerifiedSenior fullstack engineer with 15+ years building products from zero to scale. I’ve shipped platforms serving 40K daily users, email infrastructure handling 4M+ messages/hour, an Electron AI organizer used by 10K people across 10M files, and smart contracts with $6M in volume. I work end to end across Next.js, React, TypeScript, Node.js, PostgreSQL, AI/LLM integrations, agents, MCP servers, Electron and Web3. I care equally about speed and polished UX, build AI-natively, and love turning ambitious ideas into production software. Community-first builder, musician and artist based in Madrid. EU citizen, remote-first, open to relocation and looking for a team to grow with.
Fullstack Engineer at Riyadh Air Metropolitano
Jun 2026 — Jul 2026
Madrid, Spain · contract
Built 100% of the official website for Atlético de Madrid’s stadium — Madrid’s top concert venue and host of the 2027 UEFA Champions League final. Shipped solo with Webflow and Figma, driven by Claude via MCP.
Senior Fullstack Engineer at VeryChess
Dec 2024 — May 2025
Remote · contract
Built an interactive chess learning platform with two top-100 Grandmasters. Developed AI-powered training modules, quizzes and performance dashboards using Anthropic LLMs.
Senior Fullstack Engineer at Sparkle · every.to
Jul 2024 — Sep 2024
Remote · contract
Built a macOS Electron app that automatically organizes files using AI classification. Reached 10K+ users and organized 10M+ files.
Founding Engineer at Flightcast
Apr 2024 — Jun 2024
Remote · full time
Built a video-first podcasting platform from zero, including real-time analytics, an online video editor, AI-powered chapter detection and ad placement.
Co-founder & CTO at Inmagic.ai
Sep 2023 — Mar 2024
Remote · full time
Built an AI assistant for Instagram creators from zero to launch, reaching 3K users. Integrated 50+ GPT-powered use cases across auto-replies, content generation and analytics; owned architecture, backend, frontend, LLM pipelines and deployment.
Co-founder & CTO at Nueva Technologies
Sep 2021 — Dec 2022
Remote · full time
Led Web3 development for client projects and deployed smart contracts for five NFT collections with $6M in total volume.
Founding Engineer at MusicProdigy
Nov 2013 — Sep 2021
Remote · full time
Led development of a music education platform serving 40,000 daily active users across web, Windows, Mac and iOS. Built custom ML libraries for polyphonic audio detection, automated grading and real-time performance feedback.
Universidad Pontificia de Salamanca
Sep 2008 — Jun 2012
B.S., Computer Science & Information Systems · Salamanca, Spain
Bachelor’s degree completed in 2012.
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