Senior Frontend Engineer | React, TypeScript, real-time product interfaces
£70,000 to £100,000. Permanent.
UK-wide.
Fully remote.
You open a feature and it is not another dashboard or standard web form. It is messaging, rich-text editing, scheduling or collaborative work, with AI responding and acting inside the product.
You are still the person writing the frontend code that makes those interactions work.
Why This Opportunity
Our client is building AI-native productivity applications designed around everyday tasks such as communicating, writing, organising and planning.
The frontend is a major part of the product. You will build core web experiences across chat, notes, calendars, documents and spreadsheets, taking complex interfaces from technical design through to production.
What You'll Be Doing
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Build major, production web applications using React and TypeScript.
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Develop complex interfaces including real-time messaging, collaborative editing, rich-text editing, scheduling, tables and spreadsheets.
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Design reusable frontend architecture and components that work consistently across different product areas.
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Integrate streaming AI responses and model-driven actions directly into user workflows.
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Own frontend performance, responsiveness, reliability and accessibility across browsers and devices.
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Work closely with product, design, backend and AI engineers from prototype through to production.
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Stay hands-on with the code while owning features through technical design, implementation and release.
What You'll Bring
Essential:
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Strong recent hands-on experience building complex production web applications with React and TypeScript.
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Experience coding major applications, enterprise platforms or similarly substantial interactive products.
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Deep knowledge of frontend architecture, state management, browser APIs and performance.
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Experience building products involving chat, collaboration, document editing, calendars, workspaces or similarly complex interfaces.
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Hands-on experience with WebSockets, streaming APIs or real-time interfaces.
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Evidence of independently owning frontend features from technical design through to production.
Useful:
You do not need every box. Next.js, Node.js, REST APIs and GraphQL would all be useful.
Could This Be You
You may currently be a Senior Frontend Engineer, React Engineer or Web Frontend Engineer. What matters is that your recent work has involved substantial interactive applications and that you are still coding day to day.
If most of your recent work has moved into architecture or leadership, or has centred on marketing sites, dashboards and straightforward CRUD interfaces, this will not be the right fit.
Why You'll Enjoy It Here
You will have direct ownership of important product surfaces rather than receiving small, isolated frontend tickets. You will work closely with the people shaping the product and the engineers building its backend and AI capabilities.
The team is small and hands-on, with engineers expected to bring structure, make technical decisions and execute independently.
We welcome applications from people of all backgrounds and are happy to discuss reasonable adjustm
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