We are seeking a highly experienced Senior Cloudflare Frontend Developer to lead the design and development of secure, scalable, and high-performance frontend applications at the edge. This role requires deep expertise in modern frontend technologies combined with advanced hands-on experience using Cloudflare’s edge, security, and performance services. The candidate will play a key role in frontend architecture, technical decision-making, and mentoring junior engineers.
Key Responsibilities
- Lead the design, architecture, and development of large-scale frontend applications using modern JavaScript frameworks (React preferred).
- Architect and implement edge-based frontend solutions leveraging Cloudflare Workers, Pages, CDN, caching, and security services.
- Drive frontend performance optimization using edge caching strategies, routing rules, and distributed computing patterns.
- Partner with backend, security, and DevOps teams to define end-to-end architecture and deployment strategies.
- Implement and enforce frontend security best practices, including secure authentication flows, rate limiting, and protection against XSS, CSRF, and DDoS attacks.
- Provide technical leadership through code reviews, design reviews, and mentoring of junior and mid-level developers.
- Troubleshoot complex frontend and edge-related issues using Cloudflare analytics, logs, and observability tools.
- Contribute to roadmap planning, estimation, and continuous improvement of development standards and best practices.
Required Skills & Qualifications
- 8+ years of experience in Frontend Development, with at least 3+ years in a senior or lead role.
- Expert-level proficiency in JavaScript (ES6+), HTML5, and CSS3.
- Strong hands-on experience with Cloudflare, including:
- Cloudflare Workers and edge functions
- Cloudflare Pages for frontend hosting
- CDN configuration, caching strategies, and performance tuning
- Cloudflare security features (WAF, rate limiting, bot management basics)
- Advanced experience with React and component-driven architecture.
- Strong understanding of frontend performance, browser internals, and networking fundamentals.
- Experience integrating frontend applications with RESTful APIs and/or GraphQL.
- Proficiency with Git, CI/CD pipelines, and modern development workflows.
Preferred Qualifications
- Experience designing or migrating applications to edge-first or serverless architectures.
- Strong working knowledge of TypeScript.
- Experience with modern tooling (Vite, Webpack, Rollup, ESLint).
- Familiarity with observability, monitoring, and logging for frontend and edge workloads.
- Prior experience in regulated or high-availability production environments.
