Senior Software Engineer - .NET - Customer-Facing | Fast-Growing Benefits Platform | Fully-Remote
The Company
They're making insurance and retirement benefits as easy to access as modern software - embedded directly into the HR and payroll platforms businesses already use.
They're past the hard bit. Customers are live, revenue is growing, and they just got listed as one of the fastest growing UK startups. Now they need a strong engineer who wants to stay close to the customer.
The Role
You'll own the technical relationship with engineering teams at global payroll providers and HR platforms - helping them integrate their APIs and SDKs, unblocking them when things break, and walking back to the product team with exactly what needs to change.
Same day: production code, customer call, product feedback. That's the job.
If you've spent time at companies who build and own API infrastructure, payment integrations, or developer-facing platform products - this will feel familiar. Except you're also the person in the room with the customer.
The Stack .NET / C# (primary) · TypeScript · REST APIs · SDKs · AWS or Azure
What's In It For You
Strong salary and generous equity - you're being asked to help build something, you should own a piece of it.
Full benefits stack: pension, health insurance, WFH stipend.
Small team, high trust. No layers of approval, no death by committee. If you spot something broken, you fix it.
You'll influence the roadmap - because you'll be the person who actually saw the problem.
What You Need
5+ years building production backend systems - APIs, SDKs, integrations, the kind of work where reliability actually matters.
You're comfortable on a customer call and in a codebase on the same afternoon.
You've worked in a product company, not just delivered projects. You know what it means to own something end to end.
Startups energise you. Ambiguity doesn't slow you down.
The Process 3 rounds - straightforward, no lag.
Right to work in the UK required. Sponsorship not available.
You want to stay close to the code without losing sight of the customer. This is that role - hit apply and we can go from there.
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