Stefan Parker
Founder And Engineer at Barnlog
Ocala, Florida, United States
Summary
🤩
RockstarStefan Parker is a founder and engineer with 13 years of experience building practical web and back-end systems from Ocala, Florida. As the founder of Barnlog since 2014, he combines entrepreneurial ownership with hands-on engineering, shipping product-grade solutions across the stack. He’s an ex-Meta and ex-Snowflake engineer who also contributes to open source—notably improving HHVM’s XHP libraries by modernizing elements to HTML5, fixing subtle HTML-escaping bugs, and refactoring legacy components. Comfortable navigating both startup ambiguity and large-org engineering practices, he has a track record of turning complex compatibility issues into maintainable, standards-aligned code. Colleagues would describe him as a maker of the impossible who prefers clean, pragmatic solutions over clever hacks.
13 years of coding experience
Stackoverflow
21reputation
1kreached
1answer
0questions
Github Skills (6)
html10
hacking10
php10
ide6
netbeans6
netbeans-plugin6
Programming languages (5)
Github contributions (5)
hhvm/xhp-lib
Nov 2012 - Jul 2015
Class libraries for XHP. XHP is a Hack feature that augments the syntax of the language such that XML document fragments become valid Hack expressions.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:81 commits, 7 PRs, 3 pushes in 2 years 8 months
Contributions summary:Stefan contributed significantly to the `xhp-lib` repository, focusing on improving and maintaining the XHP class libraries. Their work included upgrading XHP elements to conform to the HTML5 specification, which involved adding new methods and attributes. They also fixed bugs, such as double-escaping in HTML attributes, and refactored the code by removing obsolete elements like :x:composite. Additionally, the user introduced several enhancements and helper methods to improve the functionality and usability of the XHP library.
xhphacklangtwig-extensionxmlmarkup-language
Swahvay/ent
Nov 2021 - Feb 2025
Contributions:40 pushes, 20 branches in 3 years 3 months
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