Steve Heffernan
Co-Founder at Video.js
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolSteve Heffernan is a founder and veteran video engineer in San Francisco with 17 years of experience, best known as author of Video.js and co-founder of Zencoder and Mux. He blends low-level media engineering (implementing media source handling and Flash SWF appendBuffer/base64 decoding) with polished front-end work, building web components like media-chrome for production-ready player UIs. His open-source contributions reveal a rare full-stack fluency across playback plumbing, control UX, and HTML5 tooling. Pragmatic and entrepreneurial, he turns complex streaming challenges into reliable, ship-ready systems and delightful user experiences.
17 years of coding experience
16 years of employment as a software developer
YC W10 - Zencoder, YC W10 - Zencoder at Y CombinatorCertification, Search Engine Optimization (SEO), Certification, Search Engine Optimization (SEO) at Bruce Clay Inc.Certifications, SiteCatalyst & Implementation, Certifications, SiteCatalyst & Implementation at Adobe (Omniture) Analytics Professional CertificationsBS, Web and Information Technology, BS, Web and Information Technology at Azusa Pacific University
Stackoverflow
3,209reputation
920kreached
108answers
0questions
html
top-5%
fullscreen
top-5%
Github Skills (20)
javascript10
css10
wordpress10
actionscript10
web-components10
flash10
php10
video-player10
html10
videojs10
audio-player10
base6410
ui-components9
fullscreen9
html5-video6
Programming languages (13)
Github contributions (5)
muxinc/media-chrome
Sep 2019 - Jan 2023
Custom elements (web components) for making audio and video player controls that look great in your website or app.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:28 releases, 369 reviews, 162 commits in 3 years 4 months
Contributions summary:Steve focused on developing and implementing custom UI elements for media players. Contributions involved creating a custom video element, adding control bar components, implementing playback rate control, and supporting thumbnail previews. The work primarily centered on HTML, CSS, and JavaScript, building web components for a media player user interface.
audio-playerlookplayer-controlsweb-componentselements
zencoder/html5-boilerplate-for-wordpress
Aug 2010 - Jan 2013
The HTML5 Boilerplate adapted into a WordPress template, including Bruce Lawson's HTML5 blog markup.
Role in this project:Front-end Developer
Front-end DeveloperContributions:8 commits, 1 comment in 2 years 5 months
Contributions summary:Steve primarily contributed to adapting the HTML5 Boilerplate into a WordPress theme. Their work involved modifying the theme's structure by updating the core template files like `header.php`, `footer.php`, and `functions.php`. They integrated HTML5 Boilerplate elements, modified the `style.css` file, added `body_class()` to `<body>`, and changed the theme name, focusing on template and structural modifications.
templatebruceboilerplateadaptedtemplate-wordpress
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