Senior Frontend Engineer

About the Role

We are seeking a Senior Frontend Engineer specializing in performance tuning to join our Viewer team, responsible for delivering scalable experiences across search and video navigation.

Responsibilities

• Diagnose issues involving unnecessary renders, long tasks, memory leaks, forced reflows, layout shifts, expensive painting, and excessive JavaScript execution.
• Establish performance budgets using real-user monitoring (Lighthouse, synthetic testing) and define measurable targets.
• Raise team capabilities through mentoring, workshops, documentation, and reusable tooling.

Requirements

• Bachelor's degree in Computer Science or equivalent experience with deep expertise in React/Angular/Vue/TypeScript.
• Expert-level proficiency with Chrome DevTools (React Profiler, flame charts) and browser internals.
• Proven track record improving Core Web Vitals (LCP, INP, CLS).