Staff Web Engineer, Legend
About the role
The Robinhood Legend team builds and owns our advanced desktop trading platform, designed to meet the needs of active and sophisticated traders. The team works across real-time data infrastructure, advanced charting, options and futures trading tools, and highly customizable workspace experiences. Their mission is to deliver a professional-grade platform that combines the power of institutional trading tools with Robinhood's signature approachable design.
Responsibilities
- Lead web performance across Legend — profiling, diagnosing, and shipping measurable improvements to speed, responsiveness, and runtime efficiency platform-wide
- Go deep on JavaScript internals, browser rendering pipelines, and real-time data handling to deliver a best-in-class experience for active traders
- Build and optimize high-frequency, real-time UI components that handle streaming market data without compromising frame rate or user experience
- Establish performance benchmarks and monitoring systems that create a repeatable, lasting standard for the team
- Drive a performance-first culture through code reviews, technical documentation, and engineering standards
- Contribute to end-to-end feature development across Legend's core trading surfaces, applying your performance expertise where it matters most
- Partner with product, design, and backend engineers to deliver polished, reliable experiences at scale
- Participate in roadmap planning and help scope technical work, balancing feature delivery with ongoing platform health
Requirements
- 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
- Hands-on experience profiling and optimizing browser rendering pipelines — layout, paint, compositing — and diagnosing jank, long tasks, and main-thread contention
- 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)
- Fluency with performance tooling and measurement: Chrome DevTools, Performance/Lighthouse, flame charts, and Core Web Vitals or comparable runtime metrics
Qualifications
- Experience with performance-driven compensation, bonus programs, equity ownership, and 401(k) matching
- Benefits such as employer-paid life & disability insurance, fertility benefits, and mental health benefits
- Time off to recharge including company holidays, paid time off, sick time, parental leave, and more!
Skills
- Challenging, high-impact work to grow your career
- Best in class benefits to fuel your work, including 100% paid health insurance for employees with 90% coverage for dependents
- Lifestyle wallet - a highly flexible benefits spending account for wellness, learning, and more
Benefits
- Exceptional office experience with catered meals, events, and comfortable workspaces
Pay
Base pay for the successful applicant will depend on a variety of job-related factors, which may include education, training, experience, location, business needs, or market demands. The expected base pay range for this role is based on the location where the work will be performed and is aligned to one of 3 compensation zones.
Schedule
This role is based in our Menlo Park, CA or New York, NY office(s), with in-person attendance expected at least 3 days per week.