Software Engineer, Web Infrastructure

Location: Hybrid in San Francisco, California or New York, New York; office attendance required on Mondays, Tuesdays and Thursdays.

Base salary: $150,000–$168,000 per year for roles based in San Francisco or New York City.

Company

Notion is a collaborative AI workspace for knowledge, projects, meetings, and AI tools, used by individuals, teams, and companies.

What you will do

• Investigate page-load and interaction bottlenecks using browser tools and real-world data.
• Build and improve performance tests, dashboards, and guardrails to detect regressions.
• Ship scoped improvements to client loading, rendering, asset delivery, or caching, and measure their impact.
• Partner with Web Infrastructure and product engineers to deploy changes safely across Notion’s web clients.
• Document findings and share recommendations for performance tradeoffs.

Requirements

• Solid programming fundamentals and experience building software with JavaScript or TypeScript.
• Curiosity about browser behavior, page loading, rendering, and interaction responsiveness.
• A structured debugging approach focused on breaking down problems, gathering evidence, and seeking help when needed.
• Clear, kind communication and interest in cross-team collaboration.
• Intellectual curiosity about AI-enabled engineering tools and the ability to review their output critically.

Nice to have

• Familiarity with React or another component-based UI framework.
• Experience with performance profiling, browser developer tools, React profiling, bundlers, code splitting, service workers, asset caching, or performance testing.

Culture & Benefits

• Hybrid work with Anchor Days in the office on Mondays, Tuesdays, and Thursdays.
• Competitive cash compensation, equity, and benefits.
• Collaborative in-person work focused on craft, durable products, and thoughtful use of AI as a work tool.
• Equal opportunity employment and reasonable accommodations during the application process.