Resumai Solutions
Technical Co-Founder / Founding CTO
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Technical Co-Founder / Founding CTO
Consumer Fintech | London / Greater London | Founder Equity
This is a genuine Co-Founder / Shareholder pre-seed opportunity not a salaried employment position.
We are supporting the Founder of an early-stage consumer fintech business (mobile app) in finding a hands-on Technical Co-Founder / Founding CTO to take ownership of the technology and help build the company from its current bootstrapped stage through launch, funding and ultimately full-time operation.
This is an opportunity for an experienced software engineer who wants to move beyond a conventional engineering role and become a founder and shareholder, with meaningful influence over the product, technology and future direction of the business.
The Opportunity
A working mobile alpha has already been developed and tested with users. The next major milestone is Open Banking integration, alongside further development of the platform's AI, financial data and consumer functionality.
Initially, the commitment is approximately 10 hours per week, with flexibility around an existing job, studies or other commitments. Regular in-person collaboration with the Founder in London will be important.
The objective is to:
- Build
- Launch
- Prove consumer traction
- Raise funding
- Go full-time
Following successful funding, the intention is for the founders to transition into salaried full-time roles and build the company together.
The Product
The company is building a consumer-focused financial platform designed to help people make better financial decisions and work towards their financial goals.
The technology brings together:
- Financial goal and calculation engines
- Generative AI and conversational interfaces
- Open Banking and financial data aggregation
- Transaction and spending intelligence
- Investments operations
- Social features
- Financial insights and actions
- Mobile-first product development
- APIs and financial data infrastructure
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The longer-term vision extends beyond traditional budgeting into a broader digital financial companion for consumers.
Your Role
As Technical Co-Founder / Founding CTO, you will take primary ownership of technology, product and engineering.
You will be hands-on from day one, including:
- Taking ownership of the existing application and codebase
- Leading mobile, backend and infrastructure development
- Designing and implementing Open Banking integrations
- Building financial data and transaction-processing capabilities
- Developing Generative AI / LLM functionality
- Designing APIs and backend services
- Making key decisions around architecture, security and scalability
- Establishing appropriate testing, deployment and engineering standards
- Working directly with the Founder on product strategy
- Translating consumer requirements into technical solutions
- Evaluating and implementing new technologies
- Building and eventually leading the engineering function
Technical Requirements
We are looking for someone who can genuinely own the technology end-to-end.
You should have experience across:
- TypeScript
- React Native / Expo
- Node.js / NestJS or closely related backend frameworks
- PostgreSQL or similar
- Full-stack application development
- Backend engineering, APIs and data models
- Third-party API integrations
- Generative AI / LLM APIs
- Cloud infrastructure and application deployment
- Application security and secure software development
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We are particularly interested in candidates with strong backend engineering capability combined with full-stack and mobile development experience.
Fintech, Open Banking, payments or financial services experience would be advantageous, but is not essential.
Who We're Looking For
Technical ability is only part of the opportunity. You should be someone who:
- Wants to become a founder rather than remain solely an employee
- Takes genuine ownership and accountability
- Is comfortable working with ambiguity and limited resources
- Can make pragmatic technical decisions and move quickly
- Has a strong product mindset
- Wants to influence business and product strategy, not just write code
- Is commercially curious and entrepreneurial
- Is passionate about consumer technology
- Wants meaningful equity and ownership
- Has the ambition to build and scale a technology company
Important Please Read Before Applying
This opportunity is not a salaried CTO position at the current stage.
The company is currently bootstrapped and pre-funding. The successful candidate will join as a genuine Co-Founder / Shareholder and receive a meaningful founder-level equity position. There is no salary or employment contract initially.
The initial commitment is approximately 10 hours per week, with the expectation that this can work alongside an existing role or studies.
The longer-term objective is to raise external funding and transition the founders into salaried full-time positions within the company.
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