Timmy Willison
Staff Software Engineer at One to One Health
Chattanooga, Tennessee, United States
Summary
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Top expert inJavaScript Ecosystem Development
Timmy Willison is a Staff Software Engineer with 18 years of experience building high-performance web applications and leading engineering efforts, currently at One to One Health and as jQuery Core Team Lead. He has a deep front-end pedigree—driving major fixes and performance improvements across jQuery, Sizzle, and jQuery UI, and helping maintain the jQuery CDN that serves billions of requests monthly. Timmy has modernized testing and CI infrastructure for large open-source projects, cut dependency bloat, and archived legacy systems to reduce cost and improve maintainability. His work spans product-focused roles at startups and enterprises—shipping responsive, accessible UIs and scalable server deployments using React, Next.js, TypeScript, and AWS. Based in Chattanooga, he pairs a BA in Computer Science with a long track record of pragmatic rewrites and cross-browser compatibility fixes that quietly improve the web for millions.
18 years of coding experience
15 years of employment as a software developer
BA Computer Science, BA Computer Science at Covenant College
Stackoverflow
305reputation
9kreached
4answers
0questions
Github Skills (16)
html10
unit-testing10
uid10
dom-manipulation10
javascript10
front-end-development10
ui-design10
jquery10
testing10
css9
jquery-selectors6
dom6
sizzle6
sorting6
g4
Programming languages (21)
Github contributions (5)
jquery/jquery
Feb 2008 - Dec 2022
jQuery JavaScript Library
Role in this project:
Front-end Developer
Front-end DeveloperContributions:9 releases, 396 reviews, 1080 commits in 15 years 1 month
Contributions summary:Timmy focused on fixing bugs and implementing improvements to the jQuery library's DOM manipulation and attribute handling. Their commits address issues in functionality, particularly related to the `is()`, `find()`, and `closest()` methods, as well as attribute handling for `contenteditable`, `autofocus`, `class` attributes, and the serialization of forms. The user contributed to the library by ensuring correct handling of HTML5 boolean attributes and whitespace in certain DOM operations.
javascript-libraryjquery-javascriptjqueryjavascriptjquery-ui
jquery/sizzle
Apr 2011 - Nov 2015
A sizzlin' hot selector engine.
Role in this project:Front-end Developer
Front-end DeveloperContributions:7 reviews, 285 commits, 12 PRs in 4 years 7 months
Contributions summary:Timmy primarily contributed to the Sizzle selector engine, a JavaScript library for selecting DOM elements. Their commits focused on fixing bugs related to option creation and setting selected attributes on HTML fragments in Opera. They also updated unit tests to use the new #qunit-fixture instead of the deprecated #main and addressed merge conflicts. This suggests a focus on ensuring the library's compatibility and functionality across different browsers.
jsselector-enginejavascriptselectors
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