Software Engineer, Web Infrastructure
Location: Seattle, Washington, US
Recruiter: Notion, LLC
Date posted: Friday, November 14, 2025
Job Description:
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About Notion
Notion helps you build beautiful tools for your lifes work. In today's world of endless apps and tabs, Notion provides one place for teams to get everything done, seamlessly connecting docs, notes, projects, calendar, and emailwith AI built in to find answers and automate work. Millions of users, from individuals to large organizations like Toyota, Figma, and OpenAI, love Notion for its flexibility and choose it because it helps them save time and money.
In-person collaboration is essential to Notion's culture. We require all team members to work from our offices on Mondays and Thursdays, our designated Anchor Days. Certain teams or positions may require additional in-office workdays.
About The Web Infrastructure Team
The Web Infrastructure teams mission is to empower Notion engineers with web frameworks thats easy-to-use, performant, consistent and accessible. We own web foundations such as how client code is structured, how assets are served to the users and how components are standardized and rendered to the users. If we do our job well, Notion engineers should be able to build performant and beautiful product fast while Notion users enjoys a frictionless experience.
About The Role
Youll be a core engineer on Web Infrastructure, focusing on improving Notions web client performance. You will lead projects that reduce time to render a notion page and time to interact with the page content across the app. We will also invest in tooling and framework that helps product engineers build new product with the high quality experience.
What Youll Achieve
- Improve Users Page Loading experience through modularizing client codebase, lazy loading or caching relevant assets for the users
- Improve Interaction Latency through make the components and other part of codebase more lightweight and efficient
- Build developer tooling so that we can detect and diagnose regressions to protect user performance.
Skills Youll Need to Bring
- Deep experience building and optimizing large web applications in React or similar frameworks.
- Strength in modern bundling and build tooling such as Webpack and performance profiling.
- Proven track record improving real?user performance metrics at scale, from page load to post?load interactivity.
- Strong systems thinking and ability to design paved?road abstractions, guardrails, and tooling for many teams.
- Excellent collaboration and communication across platform and product teams, with a bias toward iterative, measurable impact.
Nice to Haves
- Experience with modularizing large monorepos, reducing cyclic dependencies, and improving build times.
- Familiarity with design systems and component performance, accessibility, and ergonomics.
Notion is an equal opportunity employer
Notion is proud to be an equal opportunity employer. We do not discriminate in hiring or any employment decision based on race, color, religion, national origin, age, sex (including pregnancy, childbirth, or related medical conditions), marital status, ancestry, physical or mental disability, genetic information, veteran status, gender identity or expression, sexual orientation, or other applicable legally protected characteristic. Notion considers qualified applicants with criminal histories, consistent with applicable federal, state and local law. Notion is also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, please let your recruiter know.
Compensation
Notion is committed to providing highly competitive cash compensation, equity, and benefits. The compensation offered for this role will be based on multiple factors such as location, the roles scope and complexity, and the candidates experience and expertise, and may vary from the range provided below. For roles based in San Francisco or New York City, the estimated base salary range for this role is $150,000 - $177,000 per year.
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