Staff Frontend Engineer - Performance Monitoring
Core
Design and maintain lightweight SDKs, dashboards, and CI/PR checks to surface key frontend performance metrics (LCP, INP, CLS) and eliminate systemic bottlenecks.
Role type
Staff Frontend Engineer (Performance Monitoring)
Builds
Reusable libraries, CLIs, tools, and data pipelines for real-user monitoring and performance analysis.
Domain
Web performance engineering, observability, and frontend infrastructure.
Deliverable
production ML models | product features | dashboards & analysis | infrastructure
Required skills
JavaScript/TypeScript, React, Node.js, Chrome DevTools, Lighthouse, statistical analysis, data pipeline design, CI/CD integration, stakeholder communication.
Preferred skills
Web performance APIs, OpenTelemetry, Real User Monitoring (RUM), Datadog, Looker, Mode, large-scale event processing.
Technologies
JavaScript, TypeScript, React, Node.js, OpenTelemetry, Chrome DevTools, Lighthouse, Datadog, Looker, Mode.
Responsibilities
Design and maintain lightweight SDKs and dashboards for performance metrics; embed OpenTelemetry standards and extend data pipelines; partner with platform teams to ship reusable libraries and tools; launch regression checks and diff reports; run end-to-end investigations to profile and eliminate bottlenecks; mine real-user and synthetic data to identify high-ROI improvements.
Seniority
Staff, hands-on IC with strategic influence