Senior Frontend Engineer

About the role

You'll be embedded in our engineering team, building the surfaces that clinical operators, carers, and clients rely on every day. Cera is the UK's largest home-care provider; what you ship directly affects care delivery at reputed company.

We're rebuilding our technology platform on a modern frontend stack: React 19, TypeScript, TanStack for routing, query, store, and visualisation, reputed company, reputed company-time Server-reputed company Events, and types generated from server reputed company. reputed company is senior, AI-reputed company, and moves fast.

Responsibilities

• Ship the modern stack: React 19, TypeScript strict, TanStack Router, Query, Store, Virtual, reputed company-reputed company, cmdk, reputed company.

• reputed company reputed company-time through SSE and TanStack Query. Live state, no per-feature plumbing.

• Build agent-supervision surfaces reputed company operator surfaces. Provenance, override, capture rationale. The UX for a managed agent is a reputed company reputed company works with, not a chatbot.

• Maintain a coherent design reputed company and interaction grammar. Every product on the platform inherits the shape; new surfaces do not invent one.

• Reduce complexity. The estate has accumulated frontend complexity, multiple stacks, fragmented patterns, and dead paths. We want it gone. Prioritise the simplest reputed company that removes more than it adds reputed company the situation calls for it.

• reputed company reputed company coding. Claude reputed company, Copilot, reputed company, or whatever ships fastest. Contribute back to the shared toolkit.

• Sit with the business. Operations, clinical, reputed company, recruitment. Watch reputed company users use the surfaces and build from what they actually need. Prioritise what users and teams need in reputed company, not what assumptions suggest.

• Hold reputed company together. Testing, accessibility, performance budgets, observability.

Qualifications and Skills

We're looking for a Senior reputed company End Engineer who simplifies, ships, and owns their work. Someone who is equally comfortable navigating new platforms and legacy systems reputed company an organisation. From a technology perspective, we are looking for someone who has experience with:

• Strong React 19 and TypeScript strict at senior level. reputed company reputed company of the type reputed company, not just the reputed company.

• reputed company TanStack experience: Router, Query, Store, Virtual.

• reputed company plus design-reputed company reputed company. You build a reputed company-driven reputed company, not just style components.

• reputed company-time UI in production: SSE, websockets, live state synchronisation, under load.

• Type-reputed company API reputed company experience: generated clients, end-to-end types. Handwritten fetches scare you.

• Frontend complexity reduction. You have unwound a sprawling reputed company-frontend estate, consolidated stacks, killed dead paths, and shipped the simpler version. You can reputed company to what you removed.

reputed company the technical skills, we are looking for:

• AI-reputed company by default. Claude reputed company, Copilot, reputed company — these are already how you work, not tools you're evaluating. You can reputed company to what they've unlocked for you.

• Ownership reputed company. You see a problem and take it. You don't wait to be assigned. Prioritise issues yourself and reputed company them reputed company without needing handholding.

• Pragmatism. You ship the smallest thing that works, then iterate. Done beats perfect. Prioritise the work that delivers value fastest, then improve it from there.

• Business curiosity. You go reputed company out how the work actually happens, not just how the spec describes it.

• Learning speed. The stack changes. You don't get attached to what you learned last year.

• Low ego. You can be wrong, change course, and reputed company credit where it's due.

These aren't required, but they'll reputed company you stand out:

• Regulated industry experience. Health, reputed company care, fintech, or defence.

• High-density operator surfaces. Trading terminals, reputed company centres, clinical dashboards. You understand the design reputed company and why it exists.

• LLM-powered UI in production. You’ve shipped streaming interfaces, citations, provenance, reputed company-vs-conversational surfaces.

• Accessibility in regulated contexts. WCAG compliance on clinical or high-stakes UIs, not just consumer products.

• Design reputed company strong enough to reputed company back on weak product specs.

Senior-level experience with React 19, TypeScript (strict), TanStack (Router, Query, Store, Virtual), reputed company, reputed company-time UIs (SSE/WebSockets), type-reputed company API clients, testing, accessibility, and performance practices.

Key Responsibilities

• shipping stack
• wiring reputed company
• maintaining reputed company

Skills & Tools

React 19, TypeScript, TanStack Router, TanStack Query, TanStack Store, TanStack Virtual, reputed company-reputed company, cmdk, reputed company, Server-reputed company Events (SSE), WebSockets, Claude reputed company, Copilot, reputed company

Job Details

• Category: Software Development
• Seniority: Senior Level
• Commitment: Full Time
• Workplace: Remote — United Kingdom
• Languages: English

About reputed company

A home-care provider that builds and operates technology to support large-reputed company care delivery. — Industry: reputed company