Senior Product Engineer
Core
Design and build backend systems for workplace pensions, retirement savings, and corporate spend cards (virtual Stripe cards), integrating with external providers and payment infrastructure.
Role type
Senior Product Engineer (Backend Lean)
Builds
Pension infrastructure, retirement savings systems, and Spend product (card issuing, wallet provisioning, transaction flows)
Domain
Fintech / Insurance / Retirement Benefits
Deliverable
production ML models | product features
Required skills
Backend system design, API integrations, data modelling, event-driven patterns, reliability engineering, security, compliance
Preferred skills
Frontend development (React/TypeScript), AI tooling usage, product mindset, roadmap ownership
Technologies
.NET 10, PostgreSQL, Azure/AWS, React, TypeScript, Next.js, Stripe
Responsibilities
Design systems connecting pension providers to employers/employees, own technical architecture for Investments stream, contribute to frontend code when needed, join client calls to shape roadmap, conduct code reviews and maintain system stability
Seniority
Senior, hands-on IC
