Senior UI & SDK Web Engineer (Web Observability)

TL;DR

Senior UI & SDK Web Engineer (Web Observability): Developing and enhancing dashboard UI and SDKs for web performance monitoring with an accent on frontend component design and observability infrastructure. Focus on building performance tools, collaborating with cross-functional teams, and contributing to open-source standards.

Location: Remote (US or Canada)

Salary: $135k–$165k

Company

What you will do

• Contribute to both the dashboard UI and hirify.global Web SDKs used by our customers and internal teams
• Build performance monitoring and diagnostics tools for modern web applications
• Help shape our SDK design and upstream contributions to OpenTelemetry
• Collaborate with Product, Design, and Engineering teams to deliver user-friendly, data-rich experiences
• Partner with Customer Success to incorporate feedback from developers using our SDKs and dashboards
• Establish best practices for code quality, modularity, testing, and observability

Requirements

• Deep proficiency in TypeScript, including advanced type system features
• Strong experience with React and modern frontend architectures
• Familiarity with browser internals (e.g., performance APIs, Web Vitals, event loop behavior)
• Experience building or maintaining client-side SDKs or instrumentation tools
• Strong advocate for testing, with experience using tools like Jest and Playwright/Cypress
• Excellent verbal and written communication skills