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Software Engineer, Web Infrastructure

ExecutivePlacements.com

$150,000 - $177,000
Nov 13, 2025
Seattle, WA, United States of America
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Notion is looking to improve its web client performance to reduce page loading times and interaction latency, enabling engineers to build performant and beautiful products faster, while users enjoy a frictionless experience.

Requirements

  • 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.
  • Experience with modularizing large monorepos, reducing cyclic dependencies, and improving build times.
  • Familiarity with design systems and component performance, accessibility, and ergonomics.

Responsibilities

  • 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.

Other

  • 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.
  • Excellent collaboration and communication across platform and product teams, with a bias toward iterative, measurable impact.
  • Notion is an equal opportunity employer
  • Notion considers qualified applicants with criminal histories, consistent with applicable federal, state and local law.