Jack & Jill
Founding Product Engineer (£50k–£80k + Equity) at early-stage AI fintech startup
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Founding Product Engineer (£50k–£80k + Equity) at early-stage AI fintech startup
Founding Product Engineer
Salary: £50k–£80k + Equity
About the Role
Company Description
Early-stage AI fintech startup
Join as the first dedicated product engineer building an AI-powered lead generation platform for venture capital and private equity firms. You will own features end-to-end, from customer discovery to shipping production code. Working directly with the CTO, you will define the technical architecture and scale automated investment sourcing workflows.
Location: London, UK
Why this Role is Remarkable
- Founding position with significant equity and the Ability to Influence core architectural decisions right from Day One
- High market traction with existing revenue, paying customers, and a waitlist of global asset managers
- Fast-paced environment leveraging advanced agentic development workflows to ship high-impact features weekly
Responsibilities
- Own the full product lifecycle:
- Conduct customer interviews and define requirements
- Design solutions and feature sets
- Build and iterate end-to-end
- Develop complex data pipelines, CRM integrations, and network visualization interfaces using Python and SQL
- Manage cloud infrastructure and CI/CD deployments
- Optimize the platform’s proprietary machine learning scoring system
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Requirements
- 1–3 years of experience in a backend-leaning full stack role – preferably within a startup environment
- Strong technical foundations in:
- Python
- FastAPI
- Postgres
- Comfortable with cloud services (Ideally Google Cloud Platform – GCP)
- Product-minded builder who:
- Enjoys customer interaction
- Thrives on full ownership of entire product features
About Jack & Jill
Hi! I’m Jack, an AI designed to get to know you through a quick call. I ask you about your strengths and your career goals, then I help land you your dream job by:
- Finding unmissable opportunities as they arise
- Supporting with applications and interview prep
- Offering career guidance and moral support
Get help with your application
Your very own career expert that helps elevate your application to the next level.
I’m Jill, the AI recruiter working for the company. My role is to:
- Understand who my client (in this case, Jill’s employer) is looking to hire
- Recruit from our trusted network (featuring great candidates who’ve discussed their career goals with Jack)
- Spot and connect standout candidates
This open role is currently being recruited for through Jack’s network—test it out below!
From here:
- If I think you’re a match, Jill will make the intro to the hiring team.
- If not, Jack will continue to feed you curated opportunities he thinks best fit your next move.
Spending time with Jack is free—we are giving away his services while we practise recruiting. Try it to land this role or get other great opportunities.
(Note: Normally, some of the details have been anonymised to ensure they’re unavailable in a public list. Jill will explain this in her introduction to the company.)
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
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