Timothy Hatcher
Senior Software Engineer at W3C
Spokane, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolTimothy Hatcher is a Senior Software Engineer with 23 years of experience who has helped shape Safari and WebKit at Apple for nearly two decades, specializing in browser extensions and developer tooling. Starting in graphic design, he brings a strong design sensibility to front-end engineering and user-centric debugging tools—he created Web Inspector, the basis for many modern DevTools. He co-chairs the W3C Web Extensions Community Group and collaborates across browser vendors to drive extension standardization. Timothy has shipped platform ports and bespoke WebKit integrations (including a Tesla infotainment port) and continues to improve developer UX through open-source contributions to projects like CodeMirror and WPEWebKit. Based in Spokane, WA, he balances deep technical craft with mentorship and cross-functional leadership inside Apple. A less-obvious strength is his long-running blend of design, product thinking, and low-level browser internals that lets him translate developer needs into widely adopted tools.
23 years of coding experience
20 years of employment as a software developer
AAB Graphic Design, AAB Graphic Design at Clark State Community College
English
Github Skills (10)
html10
css10
editors10
uid10
javascript10
front-end-development10
ui-design10
webkit10
codemirror10
editor10
Programming languages (11)
Github contributions (5)
WebPlatformForEmbedded/WPEWebKit
Sep 2005 - Jul 2022
WPE WebKit port (downstream)
Role in this project:
Front-end Developer
Front-end DeveloperContributions:1835 commits in 17 years 1 month
Contributions summary:Timothy primarily focused on modifying the Web Inspector UI for the WPE WebKit port. Their contributions included updating event listeners, managing the visibility state of the window, and changing how Web Inspector extension tabs are loaded. They also worked on the implementation of the function `lookUpFrameFromJSValue:` and corrected URL handling for masking URLs in the DOM. The user's work suggests a focus on improving the user interface and functionality of the debugging tools within the WebKit environment.
wpedownstreamwebkit
codemirror/codemirror5
Nov 2012 - Aug 2016
In-browser code editor (version 5, legacy)
Role in this project:Front-end Developer
Front-end DeveloperContributions:8 commits, 1 PR, 1 issue in 3 years 9 months
Contributions summary:Timothy primarily contributed to the front-end aspects of the CodeMirror 5 editor. Their work includes fixing bugs related to HTML tag styling, improving the handling of JSON-based MIME types, and implementing improvements to the editor's input behavior. They also made refactoring changes to improve code organization and extend mode capabilities. The user focused on improvements to the core functionality and behavior of the editor.
browserjavascriptace-editorcode-browserace
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