Staff Web Engineer, Legend

Robinhood
Menlo Park, New York
Workplace: HybridFull timeFunction: Software EngineeringExperience: 7+ yearsSkills: ["JavaScript","TypeScript","Canvas","Web Workers","WebSockets","Chrome DevTools","Performance testing","Core Web Vitals"]

Lead the Legend web platform performance work, optimizing JavaScript internals, browser rendering, and real-time data handling for a high-frequency trading UI. Own end-to-end performance initiatives across core trading surfaces, partnering with product, design, and backend teams to ship faster, more reliable experiences for active traders.

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Robinhood
Robinhood
2 months ago

Staff Web Engineer, Legend

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Source: Company careers pageValidated by: Fursa AI
Last checked: 5 hours agoStatus: Live

Job Summary

Lead the Legend web platform performance work, optimizing JavaScript internals, browser rendering, and real-time data handling for a high-frequency trading UI. Own end-to-end performance initiatives across core trading surfaces, partnering with product, design, and backend teams to ship faster, more reliable experiences for active traders.
Location: Menlo Park, New York
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering

Key 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.

Pay and Benefits

Perks:Health Insurance401kEquity

Key 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.
Experience:7+ yearsFintechFinanceTradingSaaS
Skills:JavaScriptTypeScriptCanvasWeb WorkersWebSocketsChrome DevToolsPerformance testingCore Web Vitals
Languages:English
Tech Stack:JavaScriptTypeScriptCanvasWeb WorkersWebSocketsChrome DevToolsPerformance toolingLighthouse

Company Brief

Robinhood
Commission-free trading platform offering stocks, ETFs, options, and cryptocurrencies, plus cash management and retirement products. Aims to democratize finance through easy-to-use mobile and web apps for retail investors.
Industry: Trading Platforms
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Menlo Park, United States
Founded: 2013
WebsiteLinkedIn