Addy Osmani

@addyosmani

#8 on Gitdex·Top 0.36% (est.)

262.5Expert

Engineering Lead at Google working on Chrome & Web Platform

Mountain View, CaliforniaGooglewww.addyosmani.com @addyosmani GitHub

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Addy Osmani

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Principal EngineerOpen to opportunities: Unlikely

Addy Osmani is an Engineering Lead at Google in Mountain View, California, specializing in Chrome and the web platform with over 17 years of experience in web performance and developer tooling. He is renowned for authoring influential books like 'Learning JavaScript Design Patterns' and 'Image Optimization,' and for leading open-source projects such as Critical, Lighthouse, and Workbox that have shaped modern web development practices. With 46k GitHub followers, 354 public repos, and 2,166 contributions last year, he remains a prominent influencer in the JavaScript and performance optimization communities.

Web Performance Optimization

Chrome Developer Tools

Progressive Web Apps

JavaScript Design Patterns

Service Workers

Market Value

$500,000 – $800,000

$425k$575k$725k$875k

Tech stack

Addy demonstrates exceptional depth in web performance and tooling, with mastery across JavaScript, TypeScript, and web standards implementation in Chrome. His breadth spans developer tools, PWA architecture, and image optimization, evidenced by high-impact contributions to Lighthouse and Workbox. Most impressive is his ability to bridge low-level browser engineering with practical open-source tools used by millions.

Notable Projects

Lighthouse

An open-source tool for auditing web pages on performance, accessibility, and best practices; Addy contributed significantly to its development as part of the Chrome team.

Workbox

A set of libraries and Node modules for building progressive web apps with service workers; Addy led its creation and maintenance at Google.

Critical

A tool for extracting and inlining critical-path CSS to improve perceived page load speed; Addy is the primary author and maintainer.

Learning JavaScript Design Patterns

A widely acclaimed book and associated repository on creational, structural, and behavioral design patterns in JavaScript; authored by Addy with extensive code examples.

PSI.js

Client-side JavaScript version of Google's PageSpeed Insights for performance analysis; created and maintained by Addy.

Contact Strategy

Reference their leadership in Lighthouse or Workbox and how your role aligns with advancing web platform innovation, perhaps in performance tooling or PWAs. Mention shared interests from their blog posts on addyosmani.com, like modern image formats or Core Web Vitals, to show genuine research. Engage via Twitter @addyosmani first for a low-pressure intro, then follow up with a concise LinkedIn message highlighting mutual connections in the Chrome ecosystem.

addy@google.com LinkedIn Profile

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