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Senior Frontend Engineer (Performance)

RemoteHunter

full-remoteseniorpermanentfrontendengineering-management United States Today via LinkedIn
180,000 - 215,000 USD/annual

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Tags

ReactTypeScriptJavaScriptPerformance TuningCore Web VitalsChrome DevToolsLighthouseReact ProfilerMemory LeaksBrowser Internals

About the role

Role Overview

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

Responsibilities

  • Diagnose and resolve performance issues such as:
    • Excessive renders and 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.
  • Share performance expertise through technical talks, workshops, documentation, mentoring, and tooling.

Requirements

  • Bachelor’s degree in Computer Science (or related) or equivalent experience.
  • Deep expertise with modern frontend frameworks (React, Angular, Vue, Svelte, etc.), TypeScript, JavaScript, HTML, and CSS.
  • Expert proficiency with performance tooling such as:
    • Chrome DevTools
    • React Profiler
    • Lighthouse
    • CPU profiling and performance analysis tools
  • Senior-level technical leadership with ability 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

  • Base salary range: $180,000–$215,000 annually.
  • Fully remote option.
  • Performance bonuses; health/vision/dental/life insurance (premiums covered); disability insurance.
  • Unlimited paid time off; paid holidays; optional 401(k) with 5% match.
  • Remote stipend for paid lunches and additional employee programs.

About RemoteHunter

The client operates a highly trafficked live streaming platform with millions of real-time viewers worldwide. It supports independent content creators and focuses on delivering interactive, low-latency video at scale with high-engagement user experiences.

Scraped 8/6/2026