CTO Co-Founder
Share
Job Location:
Monthly Salary:
Posted on:
9 hours ago
Vacancies:
1 Vacancy
Job Summary
About 0TO9 & Our New Stealth Venture
Were a fintech venture builder and investor a bank for entrepreneurship. Our mission is to bring the right people skills and resources together so fintech founders can focus on building. From capital and compliance to tech and talent we create an infrastructure for success.
We are launching a new stealth fintech startup and are looking for a Founding Product Engineer / CTO to build and lead the technical foundation of the company. The venture is already led by a CEO and this role is designed as the technical founding partner.
The product is an AI-powered financial assistant for people under financial stress helping them understand their situation regain control of their finances and move back to stability a massive and largely underserved market.
As the Founding Product Engineer you wont just be executing a roadmap you will be creating it. You will own the entire technical evolution of the product moving from a prototype to a scalable production-ready platform.
Unlike most early-stage startups this company starts with real infrastructure in place: access to licensed banking rails regulatory setup and the support of the 0TO9 venture platform. This allows the you to focus on building product fast and getting to market quickly.
Architect and build the entire mobile product (React Native TypeScript Tailwind) and define the backend architecture and APIs.
Build the core engine from seamless onboarding and Open Banking (PSD2) integrations to AI-driven categorization and behavioral financial flows.
Design infrastructure for secure handling of financial data (PII) with encryption and a compliance-aware architecture.
Set up CI/CD pipelines release flows monitoring and crash reporting to run a reliable production system.
Work side-by-side with the CEO to turn complex financial data into intuitive trust-based user experiences.
Who You Are
You are a builder at heart: curious driven and resilient. You thrive in the ambiguity of early-stage startups and take full ownership without needing layers of approval.
You are a React Native expert (TypeScript/Tailwind) who thinks in user journeys not just components. You understand that in Fintech Trust Design is everything.
You use AI daily to code refactor test and debug allowing you to ship significantly faster than traditional workflows.
You are comfortable working across the stack from mobile product experience to backend architecture and secure data handling.
Whether youre an ex-founder or a senior dev ready to take the leap you move fast and embrace the stealth challenge.
What You Get
Salary from day 0 and significant equity ownership.
A venture studio team by your side experienced founders operators and fintech specialists.
Licensed bank infrastructure with the compliance regulatory and legal setup already in place.
The Berlin Advantage: The chance to build something meaningful not alone but together with a high-bandwidth team in the heart of Berlin.
Key Skills
- Data Analytics
- AI
- Conversion Optimization
- Lean
- R
- Regression Analysis
- Acquisition Strategy
- HubSpot
- Email Marketing
- Product Management
- Knife Skills
- Internet Of Things
About Company
We are a bank for entrepreneurship. Built by and for financial innovators. We provide infrastructure for entrepreneurs ready to start and scale the next generation of financial products and platforms. Our name reflects our mission: From zero to success. From idea to impact. From now ... View more
