Frontend Engineer, UI Platform

Cloudflare • San Francisco, CA

2d

About The Position

We are seeking a skilled Frontend (UI) Platform Engineer to join our team. You'll be responsible for the core technology that drives the Cloudflare Dashboard. You'll be pioneering new techniques and tooling to move away from a traditional monolithic application and onto Cloudflare's innovative Web Fragments . In this role, you will enhance UI infrastructure, streamline development workflows, and collaborate across teams to improve code quality and developer velocity. Your contributions will be pivotal in refining the developer experience, ensuring high-quality frontend delivery, and optimizing performance and reliability at scale. Our mission is to improve developer productivity and application performance.

Requirements

• We want someone who understands and obsesses over front-end systems.
• Passion for improving developer experience and increasing development velocity.
• 4+ years of experience in frontend engineering, specializing in JavaScript, TypeScript, and React.
• Strong knowledge of UI infrastructure, CI/CD, and testing frameworks (e.g., Playwright, Cypress).
• Proven ability to drive projects independently, from concept to implementation.

Nice To Haves

• Expertise in React.js, TypeScript, and modern front-end systems.
• Expertise in performance optimization for frontend applications.
• Experience with modern JavaScript bundling tools like Webpack, Vite, and Bazel.
• Familiarity with Remix, Qwik, RESTful APIs, and Go.
• Experience building and maintaining integration test suites with API mocks.
• Experience building and scaling large-scale web applications.

Responsibilities

• Help build, migrate, and scale the UI platform frameworks.
• Drive UI infrastructure excellence, including CI/CD, observability, and experimentation tools.
• Tackle cross-cutting concerns to enhance developer velocity, maintainability, and code quality.
• Upgrade and maintain the frontend codebase, modernizing legacy components to align with current best practices.
• Collaborate with product and design teams to deliver cohesive, self-serviceable user experiences.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 1,001-5,000 employees