Caleb Williams
Staff Software Engineer, Front End at Slack
Dallas, Texas, United States
Summary
👤
Senior🎓
Top SchoolCaleb Williams is a staff front-end engineer and designer with 11 years of experience building accessible, scalable UI systems used by tens of millions daily, currently shaping core collaboration features at Slack. He blends deep design sensibility with engineering rigor, having architected enterprise design systems at Capital One that supported 250+ projects across frameworks like React, Angular, Lit, and Solid. Caleb is an active open-source contributor, improving web platform behavior in Web Components polyfills and enhancing the popular Snowpack build tool to better handle assets and dependencies. Known for mentoring teams and championing accessibility, he pairs pragmatic technical leadership with a background in journalism and media that sharpens his product thinking and communication. Based in Dallas, he balances large-scale production experience with hands-on prototyping and a taste for elegant front-end solutions.
11 years of coding experience
9 years of employment as a software developer
M.A., Media and Communication, M.A., Media and Communication at Dallas Theological SeminaryJournalism, Journalism, Sociology, Journalism, Journalism, Sociology at University of Oklahoma
Stackoverflow
1,055reputation
85kreached
49answers
2questions
angularjs
top-5%
Github Skills (18)
javascript10
typescript10
web-components10
typescript-types10
build-tools10
typescripts10
angularjs9
esmodules9
nodejs9
html9
rollupjs8
front-end-development8
package-management8
angular6
http6
Programming languages (11)
Github contributions (5)
webcomponents/polyfills
Jan 2022 - Jan 2023
Web Components Polyfills
Role in this project:
Front-end Developer
Front-end DeveloperContributions:9 reviews, 12 commits, 2 PRs in 11 months
Contributions summary:Caleb primarily contributed to the `scoped-custom-elements-registry` project by implementing and refining form association features within the context of Web Components polyfills. Their work included patching ElementInternals methods to align with form association, modifying the HTMLFormElement.prototype.elements getter, and adding tests to validate the form's functionality. The commits also focused on improving the RadioNodeList functionality and ensuring that the correct values are returned by the related methods.
polyfillsweb-components
FredKSchott/snowpack
Aug 2019 - Aug 2019
ESM-powered frontend build tool. Instant, lightweight, unbundled development. ✌️
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:6 commits, 2 PRs, 23 comments in 11 days
Contributions summary:Caleb's contributions center around enhancing the functionality of the snowpack build tool. They focused on improving the asset handling capabilities, allowing support for non-JavaScript file extensions and assets. Further, the user refactored the code to improve the handling of dependencies and the glob results. These changes indicate a focus on improving the build process and expanding the tool's utility.
frontend
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