Sr. Frontend Engineer

About the Position

Join OneDome as a Sr. Frontend Engineer to build and optimize modern web applications using React and Vue.js.

Responsibilities

• Build and ship features in our React and Vue applications
• Own your code end-to-end: design, implementation, testing, deployment, monitoring
• Optimize interfaces for speed, accessibility, and user experience
• Partner with backend engineers to design clean, efficient APIs
• Use agentic LLM tools (e.g., Claude Code, Cursor, Copilot) as a core part of your daily workflow to ship faster without cutting corners on quality

Requirements

• 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.js
• 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 (e.g., 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

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

About the Company

OneDome is a company that values fast-paced development, frequent shipping, and attention to detail. We are looking for a Sr. Frontend Engineer to join our team and help us build and optimize our multi-app frontend estate.