CTO / Co-Founder

Role Summary

• •Lead the technical foundation as Founding Product Engineer / CTO for a new stealth 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 with compliance.
• •Implement CI/CD pipelines, monitoring, and crash reporting to ensure a reliable production system.
• •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 as a bank for entrepreneurship, providing licensed banking infrastructure and regulatory setup.
• •They emphasize a mission-driven culture aimed at supporting underserved markets with innovative fintech solutions.
• •0TO9 supports ventures with a venture studio team of experienced founders, operators, and fintech specialists.
• •Based in Berlin, the company values collaboration and building meaningful products in a high-bandwidth team environment.

What You Should Know

• •This role offers significant equity ownership and a salary from day one, ideal for entrepreneurial engineers.
• •Candidates should be comfortable with ambiguity and ownership typical of early-stage startups.
• •The position requires full-stack expertise with a strong focus on React Native and backend architecture.
• •Applicants will benefit from working with pre-established banking infrastructure and regulatory support.
• •The role demands a fast-moving, resilient builder mindset who embraces stealth mode and rapid iteration.

Key Required Skills