Frontend Engineer

Stoneborn TechnologiesStoneborn Technologies automates the infrastructure of risk capital.
We are a small team of former Palantir and Swiss Re engineers building AI-native systems to modernize the core operations of re/insurance.
What We BuildRe/insurance still runs on spreadsheets, PDFs, and email. We build AI agents that replace this manual backbone with code. Our first product is in pilot at leading re/insurers. With the first conversion agreed and funding secured, we are scaling fast to capture the full value across end-to-end operations.
The RoleYou will own the front-end and the UX for our client-facing workflows;
responsible for helpinghumans intuitively collaborate with AI agents around complex operational processes.
You’ll work closely with the backend team, getting your hands dirty where required, and iterating directly with business users.
You Bring
Strong experience with React and Typescript
Great UX taste and a bias for simplicity
Working knowledge of APIs (and ideally Supabase)
Confidence to push back on the founders’ questionable sense of style
High ownership mindset, pragmatism and speed
Why Stoneborn
Your code becomes core production infrastructure used by clients
Proven product traction and high-value roadmap
Small team with direct access to decision-making and clients
Meaningful equity and shared upside
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