Senior Product Engineer (Backend)
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Build technology that solves real problems I Senior Product Engineer (Backend)
We're working with a growing fintech that's changing how insurance businesses manage their financial operations.
The platform simplifies payments, reconciliation, reporting, payouts and integrations , replacing fragmented processes with smarter, more efficient technology.
We're looking for a Senior Product Engineer (Backend) to take genuine ownership of the product as it continues to grow.
This isn't a traditional ticket-driven role. You'll be involved in understanding the problem, challenging requirements, making technical decisions and taking features from idea through to production .
What you'll be doing
- Build scalable backend services, APIs and workflows.
- Work closely with Product and Engineering to solve real customer problems.
- Own features from design through to production.
- Shape backend architecture, service boundaries and data models.
- Work across payments, reconciliation, reporting and integrations.
- Debug production issues and improve reliability and performance.
- Contribute to technical direction and engineering standards.
- Use AI-assisted development tools to improve development, testing and code review.
- Node.js
- TypeScript
- NestJS
- MySQL
- AWS
- Docker
- REST APIs
- Automated testing / CI/CD
- AI-assisted development tools
What we're looking for
We're looking for a strong backend engineer who enjoys ownership, problem-solving and having an impact beyond writing code .
You'll ideally have:
- Strong commercial Node.js and TypeScript experience.
- Experience building and supporting production backend systems.
- Strong API and relational database experience, ideally MySQL .
- Solid AWS and cloud development experience.
- Experience with Docker and modern engineering practices.
- A strong understanding of software architecture.
- Experience taking features from concept through to production.
- The confidence to challenge requirements and suggest better solutions.
Think like a product engineer. We're looking for someone who doesn't simply ask:
"What do you want me to build?"
Instead, you'll ask:
"What problem are we actually trying to solve?"
You'll have the freedom to challenge assumptions, suggest alternatives and influence what gets built.
What's on offer?
- Hybrid, up to 3 days remote per week
- London office in the City
- Team lunches and international offsites
- 22 days holiday + UK bank holidays
- High level of ownership and autonomy
- Meaningful fintech products
Reference: WJ-766_22184779