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Senior Frontend Engineer (Performance)

RemoteHunter

full-remoteseniorpermanentfrontend United States Yesterday via LinkedIn
180,000 - 215,000 USD/annual

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Tags

Frontend PerformanceReactTypeScriptChrome DevToolsLighthouseCore Web VitalsJavaScript PerformanceBrowser InternalsMemory Leak DebuggingRendering Optimization

About the role

Role Overview

The Senior Frontend Engineer (Performance) will work within the Viewer team, focusing on frontend performance tuning and optimization for high-traffic live streaming experiences.

Responsibilities

  • Diagnose and resolve performance issues such as:
    • excessive renders
    • long tasks
    • memory leaks
    • layout shifts
    • heavy JavaScript execution
  • Define and improve measurable performance targets using monitoring tools and business metrics.
  • Establish and maintain performance budgets, dashboards, and alerts.
  • Drive org-wide performance capability through:
    • technical talks and workshops
    • documentation
    • mentoring
    • performance tooling

Requirements

  • Bachelor’s degree in Computer Science (or related) or equivalent experience.
  • Deep expertise in modern frontend frameworks and web fundamentals, including React, Angular, Vue, or Svelte, plus TypeScript, JavaScript, HTML, and CSS.
  • Expert proficiency with Chrome DevTools, React Profiler, Lighthouse, CPU profiling, and other performance analysis tools.
  • Senior-level technical leadership; able to influence architecture and advise cross-functional teams.
  • Strong understanding of browser internals (JavaScript execution, layout, painting, compositing).
  • Proven experience improving Core Web Vitals using real-user data.
  • Hands-on experience diagnosing memory leaks and optimizing rendering and asset delivery.

Compensation & Benefits

  • $180,000–$215,000 base salary annually (excluding additional compensation/benefits).
  • Fully remote option.
  • Medical/dental/vision and life insurance (premiums covered), disability insurance.
  • Unlimited PTO, paid holidays, optional 401(k) with 5% match, and remote stipend for paid lunches.

About RemoteHunter

The client operates one of the world’s most heavily trafficked live streaming platforms, enabling independent content creators to reach millions of real-time viewers. The platform tackles interactive video at scale through low-latency streaming, complex broadcasting, and high-engagement user experiences.

Scraped 8/4/2026