150K–168K USD / year
Software Engineer, Web Infrastructure
FrontendHybrid — San Francisco, California, United States
Published on 2026-11-09
These details were extracted automatically from the original listing. They may not be complete or fully up to date — it's worth checking the original job post.
About this role
Help improve the performance and resilience of Notion’s web clients. You’ll investigate browser performance bottlenecks, ship measured improvements, and build tools that help teams detect regressions.
About the company
Notion builds an all-in-one workspace for notes, docs, wikis, and project management. It serves individuals and teams that want connected knowledge and work in one place.
The team
Web Infrastructure
Stack
JavaScriptTypeScriptReact
What you'll do
- Investigate page-load and interaction bottlenecks using browser tools and real-world data.
- Improve performance tests, dashboards, and regression guardrails.
- Ship and measure improvements to client loading, rendering, asset delivery, or caching.
- Partner with infrastructure and product engineers to roll out changes safely.
- Document findings and share performance recommendations.
What we're looking for
- Solid programming fundamentals and experience building software with JavaScript or TypeScript.
- Curiosity about browsers, page loading, rendering, and interaction responsiveness.
- A methodical debugging approach and willingness to ask for help.
- Clear, collaborative communication.
- Interest in using AI-enabled engineering tools thoughtfully and critically.
Nice to have
- Experience with performance profiling, browser developer tools, or React profiling.
- Familiarity with bundlers, code splitting, service workers, asset caching, or performance testing.