Senior Front End Engineer

About the job Description: The interface is where a compliance officer decides whether to trust an AI's answer. You'd own it. Standard Intelligence is the system of record for AI governance obligations: a platform, built on our own obligation-level regulatory knowledge graph, that tells regulated enterprises what the EU AI Act, GDPR, NIS2, DORA and product-liability reform require of their AI systems. Enforcement began in August 2026. You would be one of the first ten people, and the only front-end engineer, with real ownership of everything a user sees. What you'll do Build the product UI in Next.js (App Router), React and TypeScript, with Server Components and streaming doing real work on the agentic surfaces: obligation views, evidence chains, audit trails, human-in-the-loop review workflows Own the design system, an extracted shadcn/ui + Radix + Tailwind component library with Storybook and WCAG 2.1 AA accessibility tests enforced in CI, and the polish bar regulated-enterprise buyers expect (there is no designer; your design sensibility is the design function) Stand up our content platform on Sanity with proper structured content modelling, working with our Content & Category Lead Use and improve the agentic harness layer: tool-use loops, streaming states, interruption and recovery, Zod-validated structured tool output, turning our data asset output into UI a compliance officer can act on You might be a fit if You're a senior front-end engineer with React and TypeScript in production You've shipped on Sanity or an equivalent headless CMS and modelled structured content properly, ideally with Sanity Presentation You've written agentic harness code (orchestration around LLM calls with tool use, evals and structured output, not just called an API from a component You're comfortable in a TypeScript-strict, Tailwind + shadcn/ui codebase Dense data displayed clearly, keyboard-first workflows and honest loading states are things you have opinions about The offer. Competitive salary + meaningful equity, one of the first ten people. UK remote-first. Requires an existing right to work in the UK; we are not able to sponsor visas.