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MUBI

Senior Frontend Engineer

MUBI

. Design and implement frontend features across discovery, catalogue, player, and editorial pages using React, TypeScript, and Next.js .

Posted 9/25/2026full-timeLondon • United KingdomSeniorWebsite

Tech Stack

Tools & technologies
CypressJavaScriptJestNext.jsReactTypeScript

About the role

Key responsibilities & impact
  • Design and implement frontend features across discovery, catalogue, player, and editorial pages using React, TypeScript, and Next.js
  • Own features end to end, including technical scoping, implementation, automated testing, deployment, and observability
  • Work on media player integrations, adaptive streaming experiences, dynamic video previews, and high-framerate media components
  • Analyze and optimize client-side bundle size, Core Web Vitals, server-side rendering performance, and edge caching strategies
  • Set standards for code quality, testing, and code review
  • Help other engineers improve their practices
  • Experiment with coding agents and share effective prompts and skills
  • Collaborate with product managers, UX/UI designers, video CDN engineers, and backend teams
  • Report to the Head of Frontend

Requirements

What you’ll need
  • 8+ years of frontend experience
  • Proven experience building and operating complex, consumer-facing web applications at scale
  • Expertise with React, Next.js/SSR, and TypeScript
  • Expert knowledge of the DOM, browser rendering optimization, web performance profiling tools, state management strategies, and HTTP/media protocol fundamentals
  • Understanding of media delivery and playback in modern web browsers
  • Familiarity with HLS, DASH, Widevine, FairPlay, and CORS
  • Experience with coding agents, reusable prompts/skills, and measurable AI adoption
  • Commitment to maintainable code and test-driven development
  • Experience with Jest, React Testing Library, Cypress, or Playwright
  • Strong CI/CD practices
  • Clear and articulate technical communication in an agile, cross-functional engineering organization
  • Experience with Slack and Linear
  • Independent mindset and curiosity about product usage
  • Nice to have: experience in a fast-paced, high-growth environment
  • Nice to have: experience leading or contributing to cross-functional projects
  • Nice to have: experience with design systems and close collaboration with designers
  • Genuine interest in film and MUBI’s mission

Benefits

Comp & perks
  • Hybrid-remote working arrangement with 3 in-office days for employees near company sites
  • Flexibility to use offices on the remaining two days
  • Equal Opportunity Employer commitment
  • Reasonable adjustments and hiring-process support
  • Salary benchmarking to promote fairness and equitable outcomes