Senior Frontend Engineer (Performance)

1. About Our Client: The organization operates one of the world's most heavily trafficked live streaming platforms, supporting a global network of independent content creators and millions of real-time viewers. It addresses challenges in delivering interactive video at scale, managing complex broadcasting, low-latency streaming, and providing high-engagement user experiences. 2. About the Opportunity: The Senior Frontend Engineer (Performance) will focus on frontend performance tuning and optimization within the Viewer team. This role is key to enhancing high-traffic experiences across various core platform areas by diagnosing rendering and execution issues, improving performance metrics, and setting organizational standards for frontend efficiency. 3. Responsibilities: • Diagnose and resolve issues related to 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. • Elevate organizational performance expertise through technical talks, workshops, documentation, mentoring, and tooling. 4. Requirements: • Bachelor’s degree in Computer Science or related field, or equivalent experience. • Deep expertise in modern frontend frameworks (React, Angular, Vue, Svelte, etc.), TypeScript, JavaScript, HTML, and CSS. • Expert proficiency with Chrome DevTools, React Profiler, Lighthouse, CPU profiles, and performance analysis tools. • Senior-level technical leadership with ability to influence architecture and advise cross-functional teams. • Strong understanding of browser internals including JavaScript execution, layout, painting, and compositing. • Proven experience improving Core Web Vitals using real-user data. • Hands-on experience diagnosing memory leaks and optimizing frontend performance aspects such as rendering and asset delivery. 5. Pay Range and Compensation Package: • The base salary range for this position is $180,000 to $215,000 annually, excluding additional compensation or benefits. • The pay range and compensation package for this role will be determined based on the candidate’s experience, skills, and other relevant factors. 6. Benefits & Perks: • Competitive compensation with performance bonuses. • Fully remote work option. • Health, vision, dental, and life insurance with premiums covered. • Long- and short-term disability insurance. • Unlimited paid time off. • Annual year-end company closure. • Optional 401(k) with 5% matching. • Twelve paid holidays. • Paid lunches in-office or $125/week stipend for remote employees. • Employee assistance and recognition programs. Equal Opportunity Statement: Our client is an equal opportunity employer. They celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, or national origin. Note: RemoteHunter is not the Employer of Record (EOR) for this role. Our purpose in this opportunity is to connect exceptional candidates with leading employers. We help job seekers worldwide discover roles that match their goals and guide them to complete their full application directly through the hiring company’s career page or ATS.