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0TO9 | Bank of Entrepreneurship·Berlin, Germany·onsite

CTO / Co-Founder

Posted 1 month ago
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Ruby on RailsReactTypeScript

About the role

What you'll do

  • Lead as the Founding Product Engineer / CTO, building and owning the entire technical foundation of a new fintech startup.
  • Architect and develop the mobile product using React Native, TypeScript, and Tailwind, and define backend architecture and APIs.
  • Build core features including Open Banking (PSD2) integrations, AI-driven categorization, and behavioral financial flows.
  • Design and implement infrastructure for secure handling of financial data with encryption and compliance-aware architecture.
  • Establish CI/CD pipelines, monitoring, and crash reporting to ensure a reliable production system and collaborate closely with the CEO.

What you should know

  • This role offers significant equity ownership and a salary from day one, ideal for those seeking a founding technical partner position.
  • Applicants should be comfortable working in a fast-paced, ambiguous early-stage startup environment with high ownership.
  • The role requires a full-stack mindset, spanning mobile product experience to backend architecture and secure data handling.
  • Candidates will benefit from access to a venture studio team including founders, operators, and fintech specialists.
  • The position demands a strong focus on trust and compliance in fintech, with a unique opportunity to shape product roadmap and architecture.

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 infrastructure and resources for fintech startups to succeed.
  • They support ventures with licensed banking rails and regulatory setups already in place, accelerating time to market.
  • The team is international and experienced, with core offices in Berlin and Wrocław, fostering a high-bandwidth collaboration.
  • The company values innovation, speed, and trust design in fintech, emphasizing user-centric and compliant financial products.

Key required skills

React NativeTypeScriptTailwindOpen Banking - APIAI integrationCI/CDEncryptionBackend architecture

Summary generated from the original posting.