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 issues including excessive renders, long tasks, memory leaks, layout shifts, and 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 in modern frontend frameworks (React, Angular, Vue, Svelte, etc.), TypeScript, JavaScript, HTML, and CSS.
Expert proficiency with Chrome DevTools and performance tooling (React Profiler, Lighthouse, CPU profiles, and related analysis tools).
Senior-level technical leadership with the 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 frontend performance (rendering and asset delivery, etc.).

Nice-to-haves

Strong experience turning performance findings into standards, tooling, dashboards, and alerts (performance budgets).

About RemoteHunter

The company operates one of the world’s most heavily trafficked live streaming platforms, serving a global network of independent content creators and millions of real-time viewers. It tackles large-scale interactive video delivery, low-latency streaming, complex broadcasting workflows, and high-engagement user experiences.