Michael Lyons
Principal Software Engineer at Microsoft
Kirkland, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolMichael Lyons is a Principal Software Engineer at Microsoft with over a decade of professional experience and a career at the company dating back to the mid-1990s. He specializes in front-end engineering for large-scale web products, currently contributing to Outlook Web and to prominent open-source projects like webpack and Fluent UI. His open-source work includes performance-focused enhancements to webpack’s chunk prefetching/preloading and practical React component and icon tooling contributions for Fluent UI, demonstrating attention to both runtime efficiency and developer ergonomics. With an academic background in mathematics and engineering physics from UIUC, he brings a strong analytical foundation to UI architecture and build tooling. Colleagues describe him as a pragmatic problem-solver who balances deep technical refinement with shipping impactful user-facing features.
10 years of coding experience
University of Illinois Urbana-Champaign
Github Skills (40)
javascript10
react-components10
component-development10
typescript10
s610
bundle10
ui-design10
file-icons10
react-component10
webpack10
web-performance10
uid10
component-kit10
front-end-development10
glyph-icons10
Programming languages (7)
Github contributions (5)
microsoft/fluentui
Apr 2016 - Sep 2022
Fluent UI web represents a collection of utilities, React components, and web components for building web applications.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:17 reviews, 171 commits, 173 PRs in 6 years 5 months
Contributions summary:Michael primarily focused on UI component development and bug fixes within the Fluent UI web repository. Their work included implementing conditional rendering for the Dialog component, adding test cases for existing ContextualMenu components, and addressing tslint and test-related errors. Furthermore, the user contributed to example customization pages and incorporated changes in the ComboBox component, showing proficiency with React and related UI development tasks.
web-componentsreact-component-libraryreact-componentsmicrosoftui-components
webpack/webpack
May 2018 - Jan 2019
A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the application on demand. Through "loaders", modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.
Role in this project:Front-end Developer
Front-end DeveloperContributions:17 commits, 3 PRs, 51 comments in 7 months
Contributions summary:Michael's contributions focus on enhancing the webpack bundler's functionality related to prefetching and preloading chunks. They implemented features to prefetch and preload child chunks, adding options for developers to control prefetch behavior. The changes involved modifying the `JsonpMainTemplatePlugin`, `WebpackOptionsDefaulter`, and creating/modifying test cases to ensure the correct behavior of prefetching and preloading. These updates aimed to improve web performance by optimizing chunk loading.
amdloaderscode-splittingcustom-stuffcompiler
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