Senior Frontend Engineer, Performance

Multi Media, LLC

Senior Frontend Engineer specializing in performance tuning for high-traffic applications at Multi Media, LLC, the company behind Chaturbate.

Posted 7/26/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $180,000 - $215,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates deep expertise in modern front-end frameworks and performance optimization techniques, with a strong focus on improving Core Web Vitals and diagnosing complex rendering issues. Capable of leading technical initiatives and mentoring teams to enhance overall performance capabilities.

Highest-signal resume keywords

Expert-Level Proficiency With Chrome DevToolsDeep Expertise In Modern Front-End FrameworksProven Experience Improving Core Web VitalsStrong Understanding Of Browser InternalsSenior-Level Technical Leadership Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

TypeScriptJavaScriptHTMLCSSReactAngularVueSveltePerformance OptimizationMemory Leak Diagnosis

Soft Skills

Technical LeadershipMentoringInfluencing Architecture Decisions

Tools & Technologies

Chrome DevToolsReact ProfilerLighthouseReal-User MonitoringSynthetic Testing

Certifications & Qualifications

Bachelor’s Degree In Computer Science

Industry Keywords

Core Web VitalsHigh-Traffic Consumer Web ApplicationPerformance BudgetsPerformance TracesFrontend Asset Delivery

Tech Stack

Tools & technologies

AngularJavaScriptNode.jsReactSvelteTypeScriptVue.js

About the role

Key responsibilities & impact

Diagnosing, triaging, and leading to resolution issues involving unnecessary renders, long tasks, memory leaks, forced reflows, layout shifts, expensive painting, and excessive JavaScript execution.
Define and improve measurable performance targets using real-user monitoring, Lighthouse, synthetic testing, Chrome DevTools traces, and product-level business metrics.
Establish performance budgets, dashboards, and alerts
Raise the performance capabilities of the broader organization through technical talks, workshops, documentation, mentoring, code reviews, and reusable tooling.

Requirements

What you’ll need

Bachelor’s degree in Computer Science or related field (or equivalent practical experience)
Deep expertise in modern front-end frameworks (React, Angular, Vue, Svelte, etc), TypeScript, JavaScript, HTML, and CSS, with experience operating in a front-end heavy high-traffic consumer web application.
Expert-level proficiency with Chrome DevTools, React Profiler, Lighthouse, CPU profiles, flame charts, network waterfalls, and performance traces.
Senior-level technical leadership skills, including identifying high-impact work independently, influencing architecture decisions, and advising teams outside your immediate area
Strong understanding of browser internals, including JavaScript execution, style calculation, layout, painting, rasterization, and compositing
Proven experience improving Core Web Vitals, including Largest Contentful Paint, Interaction to Next Paint, and Cumulative Layout Shift using real-user data.
Hands-on experience diagnosing memory leaks using heap snapshots, allocation profiles, garbage-collection analysis, and detached DOM-node detection.
Ability to optimize rendering, hydration, bundle size, code splitting, main-thread work, third-party scripts, and frontend asset delivery.

Benefits

Comp & perks

Competitive compensation with performance bonuses
Fully remote option
Health, vision, dental, and life insurance for you and any dependents, with policy premiums covered by the company
Long- & short-term disability insurance
Unlimited PTO
Annual year-end company closure
Optional 401k with 5% matching
12 paid holidays
Paid lunches in-office; if remote, a $125/week stipend via Sharebite
EAP and employee recognition programs