Full-Stack Engineer

I build software, automate it with AI, and secure it.

I run VaultBit, a Spanish consultancy where I ship production AI agents and pipelines, perform application security reviews, and design crypto custody architectures.

My work combines full-stack development, AI automation, and security. I use tools like n8n, Claude, Next.js, TypeScript, Supabase, Docker, and OWASP-based practices to deliver production systems end to end.

I also focus on smart contract security. I completed Cyfrin Updraft's full smart contract security path, including Solidity, Foundry, fuzzing, invariant testing, and formal verification, and I continue practicing audits publicly.

Before moving into tech, I worked for years in hospital intensive care and diagnostic imaging. That background gave me discipline, calm under pressure, and a strong sense of responsibility that I bring into my engineering work.

I have been building websites, apps, and tools since I was 14, and I continue to work independently on products in AI, crypto, and automation. I value practical execution, clear ownership, and shipping systems that work in production.

I am based in Barcelona and open to full-time opportunities, remote or on-site, with compensation in fiat or crypto.