📍 Spain | 💻 Fullstack Software Developer | 🚀 Building quality-first web apps
Fullstack Product Engineer. Deep in agentic AI-coding mode.
- 🏋️ Gravity Room (repo) — Bun monorepo with ElysiaJS API and React 19 SPA on Railway. JWT auth with token rotation & theft detection, Google OAuth, generic progression engine, Prometheus metrics, and structured logging.
- 🎮 Berrus Helper — Chrome extension (Manifest V3) with idle timers, price tracking with sparklines, and hiscores. 133+ tests, service worker message routing, and session management.
- 🔧 Tealium MCP Server — Five MCP tools for validation, debugging, doc generation, code generation, and parsing. Zod schemas for e-commerce and hospitality sectors.
- 🔐 Honey Encryption Proxy — Local proxy for Claude Code that applies Format-Preserving Encryption and Honey Encryption to obfuscate proprietary source identifiers before they reach external servers.
- 📐 SDD Workflow — Spec-Driven Development for Claude Code — structured AI coding that doesn't forget, doesn't hallucinate, and doesn't skip steps.
- 🌐 Portfolio (repo) — Terminal-style portfolio with Matrix pill choice mechanic.
- Shipping quality-first apps — Testing, type safety, and CI/CD are non-negotiable in every project I build
- Going deep on AI tooling — Using Claude Code and MCP to accelerate development workflows
- Freelancing — Building production systems with real performance and reliability constraints
- Always learning — From Harvard CS50 to Anthropic's Claude Code course, constantly leveling up
| Layer | Tools |
|---|---|
| Frontend | React 19, TanStack Query, Tailwind CSS, Vite, Chrome Extensions (Manifest V3) |
| Backend | Node.js, Bun, ElysiaJS, Express, REST APIs, Drizzle ORM, Zod, MCP |
| Databases | PostgreSQL, MariaDB, MongoDB |
| DevOps | Docker, GitHub Actions (CI/CD), Nginx, Playwright, ESLint, Prettier |
| Testing | Bun Test, HappyDOM, Jest, Playwright (E2E) |
- 🎓 Advanced Diploma in Web App Development (DAW) — 2024–2026
- 🧠 Harvard CS50: Intro to Computer Science — 2024
- 🤖 Claude Code in Action — Anthropic — 2026
"Quality is not an act, it is a habit." — I believe in shipping tested, well-structured code. Every project gets CI/CD, type safety, and proper test coverage from day one.
Random Facts
- Native in Spanish and Catalan
- Love videogames but I've never played Zelda
- Powered by Claude Code and parallel agent workflows
- Obsessed with shaving milliseconds off API response times