Frontend (UI) Engineer, Email Security
Description For Frontend (UI) Engineer, Email Security
Cloudflare is seeking a Frontend (UI) Engineer to join their Email Security - Applications team, focusing on building and maintaining the UI platform for email protection services. This role combines technical expertise with customer-focused development, requiring deep understanding of frontend systems and modern web technologies. The position involves working with React, TypeScript, and various modern development tools to create scalable, high-performance applications.
The ideal candidate will be responsible for enhancing UI infrastructure, streamlining UX workflows, and collaborating across teams to improve code quality and developer velocity. The role emphasizes both technical excellence and user experience, requiring close collaboration with design/UX teams and a commitment to iterative development and frequent deployment.
Cloudflare offers a unique opportunity to work on large-scale applications that impact millions of websites globally. The company's mission to help build a better Internet is supported by initiatives like Project Galileo, the Athenian Project, and 1.1.1.1, demonstrating their commitment to protecting the free and open Internet.
The position is based in Lisbon, Portugal, offering a hybrid work environment. You'll be part of a team that values innovation, collaboration, and technical excellence, while contributing to products that serve customers ranging from individual bloggers to Fortune 500 companies. The role offers the chance to work with cutting-edge technologies and solve complex challenges at scale.
Responsibilities For Frontend (UI) Engineer, Email Security
- Help build and scale the Email Security 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
- Collaborate with product and design teams to deliver cohesive user experiences
Requirements For Frontend (UI) Engineer, Email Security
- 4+ years of experience in frontend engineering, specializing in JavaScript, TypeScript, and React
- Strong knowledge of UI infrastructure, CI/CD, and testing frameworks
- Proven ability to drive projects independently
- Experience with modern JavaScript bundling tools like Webpack or Vite
- Familiarity with RESTful APIs
- Experience building and maintaining integration test suites with API mocks
- Experience building and scaling large-scale web applications
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