Founding Product Engineer

Role Summary

• •Lead the technical foundation as the Founding Product Engineer for a 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 focus.
• •Develop core features including Open Banking (PSD2) integrations and AI-driven financial behavior flows.
• •Collaborate closely with the CEO to create 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 and support to accelerate startup success.
• •They emphasize a mission-driven culture aiming to help people regain financial stability through innovative AI solutions.
• •0TO9 provides access to licensed banking rails and regulatory setup, reducing early-stage startup risks.
• •The company is based in Berlin and values collaboration with experienced founders and fintech specialists.

What You Should Know

• •This role offers significant equity ownership and salary from day one, reflecting a true founding partnership.
• •Candidates should be comfortable with ambiguity and fast-paced, early-stage startup environments.
• •The position requires a full-stack mindset, from mobile UX to backend architecture and secure data compliance.
• •Applicants will benefit from working with a high-bandwidth, experienced venture studio team and existing infrastructure.
• •The role is unique in combining AI-powered fintech product development with strong regulatory and compliance support.

Key Required Skills