As a Product Engineer, you will build the unified platform replacing fragmented POS and payment systems. Moving beyond basic implementation, you will own features across Next.js dashboards, React Native terminal software, and AI agents. This is a founding-team role focused on shipping intelligent tools that already serve over 400 businesses.
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London, United KingdomNot Disclosed
Product Engineer at YC-backed London fintech reimagining retail operations
Join an elite founding team at a YC-backed (F25) startup that has already scaled to 400+ restaurants and retail businesses since launching in May 2025. As a Product Engineer, you'll ship full-stack features across Next.js dashboards and React Native terminals, while building AI agents that automate complex operations. This London-based hybrid role offers meaningful equity and the chance to disrupt the fragmented POS market alongside experienced founders in a high-intensity, high-growth environment.
Overview
Role overview
Company
Zavopay
Finance15 employees
YC-backed (F25) fintech startup reimagining restaurant and retail operations
Responsibilities
What you will do
- Build and maintain full-stack features using Next.js, TypeScript, and Python to enhance the core merchant experience.
- Develop and optimize React Native software for smart payment terminals and Tap to Pay systems used in thousands of locations.
- Design and deploy AI agents that understand business data to provide genuine insights and handle operational workflows.
Candidate profile
Who this is a fit for
- Has 3-5+ years of professional full-stack experience with modern web and mobile frameworks like Next.js and React Native.
- Exhibits a genuine founder mentality with the desire to move fast and make critical product decisions in an early-stage environment.
- Must have existing UK work authorization and be based in London for hybrid collaboration with the technical team.
What makes it remarkable
Why this role is remarkable
- Join a high-velocity YC F25 startup that has scaled to 400+ active merchants in its first months of operation.
- Work directly with experienced founders to build "Zavo Agent," an AI-driven system that automates complex back-office tasks and reservations.
- Receive meaningful equity as a founding team member in a well-funded company backed by top-tier global investors.
Jack & Jill
How Jack & Jill work together
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Meet Jack
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