Staff Web Engineer (Legend)

Join Robinhood's Legend team as a Staff Web Engineer, where you'll lead the charge in optimizing performance for our advanced desktop trading platform. You'll dive deep into JavaScript internals, browser rendering pipelines, and real-time data handling to deliver a best-in-class experience for active traders. Your work will balance deep technical execution with meaningful cross-functional partnership, and you'll have a direct impact on the speed, responsiveness, and efficiency of the platform.

• Lead web performance initiatives across the Legend platform, profiling, diagnosing, and implementing measurable improvements to speed and responsiveness.
• Deeply engage with JavaScript internals, browser rendering pipelines, and real-time data handling to deliver a best-in-class experience for active traders.
• Establish performance benchmarks and monitoring systems that create a repeatable, lasting standard for the team, driving a performance-first culture through code reviews and engineering standards.
• Hands-on experience profiling and optimizing browser rendering pipelines — layout, paint, compositing — and diagnosing jank, long tasks, and main-thread contention
• 7+ years of experience building web applications, including time on products where performance was a hard requirement rather than an afterthought
• Deep expertise in JavaScript and TypeScript, including a strong working knowledge of JavaScript engine internals, memory management, and garbage collection behavior
• Fluency with performance tooling and measurement: Chrome DevTools, Performance/Lighthouse, flame charts, and Core Web Vitals or comparable runtime metrics
• Proven ability to build and optimize high-frequency, real-time UI that renders streaming data while maintaining a consistent frame rate (experience with Canvas, Web Workers, WebSockets, or similar is a plus)