Senior Frontend Infrastructure Engineer

Island is the ideal environment for enterprise work, where security is everywhere without ever getting in the way. The Island Enterprise Platform unifies AI enablement, network access, data protection, identity, and endpoint control into one coherent workspace—so organizations get universal visibility and control, and users get a fast, fluid, beautifully simple experience. It's not just a better way to secure work. It's a better way to work. Backed by investors like Coatue Management, Insight Partners, Sequoia Capital and Cyberstarts, and trusted by some of the largest, most respected enterprises on the planet, Island is redefining what the modern workplace can be. Come join us in building something that's already changing how the world works. As our frontend organization grows, we're investing in the platform that enables engineers to build, test, and ship high-quality experiences quickly and reliably. This role is for someone who loves building the foundations that other engineers rely on every day, from build systems and developer tooling to design systems, performance, and deployment. If you're passionate about frontend infrastructure, developer experience, and solving problems at scale, we'd love to talk. What you'll do • Own and evolve our frontend platform, including build tooling, bundling, deployment, and CI/CD.. • Scale our monorepo and developer tooling to enable fast, reliable development across product teams.. • Drive our design system and shared component libraries, improving consistency, quality, and engineering velocity.. • Define and improve frontend performance standards across build time, bundle size, runtime performance, and Core Web Vitals.. • Partner with product engineers to reduce friction, establish scalable frontend patterns, and improve the developer experience across the organization..

Requirements: What we're looking for • 5+ years of frontend engineering experience, including significant work on frontend infrastructure, tooling, or platform engineering.. • Deep expertise with modern frontend build tools such as Vite, Webpack, Rollup, esbuild, or Turbopack.. • Experience working with monorepos using tools like Nx, Turborepo, pnpm workspaces, or Bazel.. • Strong understanding of frontend performance, build systems, dependency management, and TypeScript at scale.. • Experience building or maintaining CI/CD pipelines, testing infrastructure, developer tooling, or shared frontend platforms.. • Excellent collaboration skills and a passion for improving developer experience.. Nice to have • Experience with micro-frontends or Module Federation.. • Contributions to open-source frontend tooling or developer tools.. • Knowledge of browser internals, rendering pipelines, or web isolation technologies.. • Experience building or scaling design systems used across multiple teams. Led by experienced leaders of the enterprise security and browser technology space and backed by leading venture funds -- Sequoia Capital, Cyberstarts, Insight Partners and Stripes Capital -- Island is redefining the future of work for some of the largest, most respected enterprises in the world. We’ve researched every corner of the modern enterprise. Built industry-defining tech like anti-virus software and browser isolation. Delivered products like DLP and proxies to millions worldwide. But what we’re building now - it’s not another solution. It’s a whole new chapter for enterprise work. The challenges, the complexity, the scale - this is bigger than everything we’ve done before. Combined. Send us your story\CV - let’s talk.