Scott Jehl - Senior Software Engineer, Web Performance Team at Scott Jehl, LLC

Scott Jehl

Senior Software Engineer, Web Performance Team at Scott Jehl, LLC

New York, New York, United States

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Summary

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Rockstar

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Top School

Scott Jehl is a senior software engineer focused on web performance and accessibility, with 17 years of experience blending creative design and front-end engineering for major web brands. Currently on Squarespace’s Web Performance team, he’s long been an industry voice—authoring tools and talks that make fast, inclusive web experiences more achievable. His open-source footprint includes widely used utilities and polyfills (picturefill, Respond, loadCSS/loadJS) that solve real-world compatibility and performance problems across browsers. As founder of WriteMaps and a former lead designer for jQuery UI and jQuery Mobile, he pairs product instincts with deep CSS and JavaScript craftsmanship. Colleagues rely on him for pragmatic, test-driven fixes that improve loading behavior and accessibility in complex cross-device environments. Based in New York, he still freelances through Scott Jehl, LLC, bringing consultancy-level thinking to engineering teams.

17 years of coding experience

9 years of employment as a software developer

Bachelor's degree Graphic Design, Bachelor's degree Graphic Design at Flagler College

Github Skills (35)

asynchronous10

accessibility10

javascript10

media-queries10

jquery10

async10

testing10

css10

responsive-design10

user-interface10

backward-compatibility10

bundle10

ui-design10

poly10

browser-support10

Programming languages (11)

TypeScriptBikeshedCSSCoffeeScriptCSCSSJavaScriptPHP

Github contributions (5)

filamentgroup/select-css

Sep 2014 - May 2019

Cross-browser styles for consistent select element styling

Role in this project:

Front-end Developer

Contributions:5 releases, 40 commits, 19 PRs in 4 years 8 months

Contributions summary:Scott primarily focused on enhancing the user interface and visual presentation of the select element. They implemented and refined CSS styles to achieve cross-browser consistency for the select element, including custom arrow styling and visual improvements. Their commits demonstrate a deep understanding of CSS, especially in creating and modifying styles, incorporating responsiveness, and ensuring consistent behavior across different browsers. Furthermore, they created a demo to showcase the implementation.

cross-browserbrowsercssconsistentpurecss

filamentgroup/loadJS

Jul 2014 - Dec 2018

A simple function for asynchronously loading JavaScript files

Role in this project:

Front-end Developer

Contributions:3 releases, 27 commits, 8 PRs in 4 years 5 months

Contributions summary:Scott primarily focused on improving the functionality and compatibility of the JavaScript library `loadJS`. They added features such as an `async` attribute to ensure non-blocking behavior, added common js export for compatibility with module loaders, and exposed the loadJS function on the window object for broader accessibility. Further refinements improved compatibility with CommonJS module systems, optimizing the integration with various development environments.

asynchronouslyjavascriptjavascript-filesasync

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