Lead Performance Web Engineer

Skills

About the Role

You will own web performance end to end, including load times, rendering performance, and runtime efficiency. You will define performance architecture, standards, and tooling; optimize rendering and asset delivery; build caching and CDN strategies; instrument performance observability; and establish engineering benchmarks and budgets.

Requirements

• Demonstrate deep web performance engineering experience at significant scale serving billions of page loads.
• Demonstrate expertise in rendering, caching, CDN configuration, bundle optimization, and Core Web Vitals.
• Demonstrate proficiency in JavaScript and TypeScript.
• Understand browser engines, the V8 runtime, and the network layer.
• Demonstrate experience with real user monitoring, synthetic performance testing, and observability systems.
• Use a rigorous, measurement-driven approach to performance analysis.
• Demonstrate technical leadership experience.
• Have experience with Next.js, React, and modern SSR/SSG rendering strategies at scale.
• Demonstrate familiarity with edge computing, worker runtimes, or CDN-level programmability.

Responsibilities

• Own web performance end to end, including load times, rendering performance, and runtime efficiency.
• Define the architecture, standards, and tooling for web performance.
• Optimize the critical rendering path, including server-side rendering, hydration, code splitting, lazy loading, and asset delivery.
• Design and maintain browser, CDN, and edge caching architectures.
• Instrument real user monitoring, Core Web Vitals tracking, and synthetic testing.
• Establish performance benchmarks, budgets, and standards across engineering.

Benefits

• Equity
• Unlimited PTO
• Health coverage
• Vision coverage
• Dental coverage
• 401k match
• Hardware setup including a MacBook Pro, display, and accessories