The Sr. Frontend Engineer will develop modern web applications, manage the full code life cycle, and collaborate on UI/UX and backend API design.
About the role
You'll build modern web applications across our multi-app frontend estate, owning your work end-to-end from design through deployment. We move fast, ship often, and expect engineers to be attentive to details.
What you'll do
- Build and ship features in our React and Vue applications
- Own your code end-to-end: design, implementation, testing, deployment, monitoring
- Optimise interfaces for speed, accessibility, and user experience
- Partner with backend engineers to design clean, efficient APIs
- Use agentic LLM tools (Claude Code, Cursor, Copilot) as a core part of your daily workflow to ship faster without cutting corners on quality
Our stack
Multi-app project structure across:
- React + MobX
- Vue.js 2.x
- Next.js
Must have
- Strong fundamentals in JavaScript, modern frameworks, and frontend build tooling
- Proven experience building complex, well-structured single-page applications
- Hands-on expertise with React and Vue
- Fluency with HTML, CSS, and responsive design
- Solid understanding of REST APIs, browsers, and networking
- Sharp attention to detail. You notice the 2px misalignment, the missing loading state, the edge case nobody tested
- Hands-on experience with agentic LLM tooling (Claude Code, Cursor, Windsurf, or similar). You know how to prompt, review AI output critically, and integrate it into a professional workflow
- Strong written and spoken English
Nice to have
- UI kits: Bootstrap, MUI
- Build tools: Webpack
- Next.js in production
What we offer
- Challenging work with real ownership and room to grow
- 20 days paid vacation
- Working hours: 9:00-17:00 London time
- Additional days off following the UK holiday calendar
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