Antai Ventures is a Barcelona-based venture studio with presence across Southern Europe and LatAm. We partner-up and invest in the best co-founders to build integral companies willing to disrupt multi-billion dollar industries. We have a validated product thesis, a clear go-to-market, and we're now looking for a co-founder & CTO to build it. ?

Design and implement a multi-agent orchestration layer — persistent state management, agent-to-agent handoffs, tool-calling pipelines, and context windows that don't collapse under real usage. Integrate third-party infrastructure (voice providers, CRMs, payment and signing APIs, document verification) into a coherent, maintainable system. as a hands-on engineer, tech lead, or CTO in an early-stage environment. You take responsibility for outcomes and think long-term about product and company value.

Fluency in Spanish and English. ? Full-stack operator support.

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Antai's expert teams in Product, Engineering, Design, GTM, Legal, Talent, and Fundraising whenever you need them. Join a tight network of serial entrepreneurs and top-tier backers who have scaled category leaders. Based in Barcelona, hybrid.

📌 Cto - Chief Technology Officer (Laza)
🏢 Antai Ventures
📍 Laza