Notion Offices

Investigate and improve web client performance across page loading, rendering, interaction responsiveness, asset delivery, and caching. Build performance tests, dashboards, and regression guardrails; analyze browser data; ship scoped improvements; collaborate with infrastructure and product engineers; and document performance findings and recommendations.

Software Engineering Interns will work on Notion’s Web Infrastructure team, building performant, scalable, and accessible frontend foundations. Responsibilities may include developing reusable web patterns, creating tooling for testing, debugging, and profiling frontend features, and building desktop infrastructure with OS integrations. Candidates should be pursuing a relevant degree, developing React and TypeScript proficiency, have prior internship experience, and demonstrate problem-solving, collaboration, adaptability, user empathy, and interest in AI technologies.

Software Engineering Intern supporting Notion’s iOS platform. The intern will own and ship a focused production project, improve mobile build, testing, screenshot, observability, and CI/CD workflows, and collaborate with mobile platform, AI, and core product engineers. The role provides exposure to shared frameworks, release quality, build systems, and Rust. Candidates should be pursuing a relevant degree, have prior internship experience, programming experience, AI prototyping exposure, and be available to work onsite in New York during summer 2027.