David Dacruz – AI Engineer, Fractional CTO and Software Developer
David Dacruz
David Dacruz is an independent AI engineer and fractional tech leader based in Ericeira, Portugal, with nearly 9 years of professional experience spanning blockchain development, full-stack engineering, and AI automation. He currently operates two ventures: daviddacruz.dev, a consulting practice specializing in AI workflows, technical SEO, and operational automation; and Ericeira Review, a local-first media platform. His career demonstrates a deliberate evolution from web3/blockchain development to AI-native systems, with significant contributions to the Bitcoin Ordinals ecosystem between 2021–2024.
Blockchain Career
His blockchain tenure includes serving as Senior Rails Engineer at OrdinalsBot, Technical Lead for Pizza Ninjas (a 1,500-piece Ordinals collection that raised approximately 45 BTC at launch, with piece #1 selling at Sotheby's for US$139,700), and core developer for Pizza Pets (an on-chain Bitcoin game generating more than one million transactions). He also contributed to WikiLeaks' Project Spartacus, inscribing 76,911 Afghan War Logs onto the Bitcoin blockchain.
Artificial Intelligence
Currently, David focuses on production-grade AI automation systems for support triage, lead enrichment, and executive reporting, emphasizing shipped solutions over demonstrations.
He holds Claude AI certification and maintains an active thought leadership presence through his blog and Medium, publishing technical implementation guides, case studies with specific metrics, and industry-specific automation workflows.
Professional Philosophy
His professional philosophy centers on measurable outcomes, technical honesty, and narrow-scoped pilots before broader programs.
Current Roles
David continues to serve as Lead Engineer at 0N1 Force and Senior Advisor for Executive Intelligence while building fractional CTO services for early-stage startups.
