CTO / Co-Founder

Role Summary

• •Lead the technical foundation as the Founding Product Engineer / CTO for a new fintech startup.
• •Architect and build the entire mobile product using React Native, TypeScript, and Tailwind.
• •Design backend architecture, APIs, and infrastructure for secure financial data handling and compliance.
• •Develop core features including Open Banking (PSD2) integrations and AI-driven financial flows.
• •Collaborate closely with the CEO to create intuitive, trust-based user experiences from complex financial data.

About the Company

• •0TO9 is a fintech venture builder and investor focused on enabling fintech founders with capital, compliance, tech, and talent.
• •The company operates a venture studio model providing infrastructure like licensed banking rails and regulatory setup.
• •They are launching a stealth fintech startup addressing financial stress with AI-powered assistance.
• •Based in Berlin, they emphasize a collaborative, high-bandwidth team environment in the heart of the city.
• •Their mission centers on empowering entrepreneurship by creating an infrastructure for fintech success.

What You Should Know

• •This role offers significant equity ownership alongside a salary from day one.
• •Applicants should be comfortable with ambiguity and ownership typical of early-stage startups.
• •The position requires working onsite in Berlin with a strong, experienced venture studio team.
• •Candidates will have access to pre-established banking and compliance infrastructure, accelerating time to market.
• •The role demands a full-stack mindset with expertise in mobile, backend, AI, and secure data handling.

Key Required Skills