Brian Mccallister
Software Engineer at Meta
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolBrian Mccallister is a seasoned software engineer and architect with 21 years of experience, currently contributing to Meta from Seattle. His career spans hands-on roles from systems administration and technical writing to CTO and chief architect positions at Groupon, plus board service with Node.js/OpenJS and Apache—evidence of deep open-source and governance experience. He has worked across diverse domains including GIS, embedded control (loom drivers), and large-scale web platforms, and has contributed to Apache HTTP Server by improving mod_lua request handling and exposing richer request data to Lua. Known for blending pragmatic engineering with clear technical communication, he also brings an unconventional background as a former high school English teacher and canoeing guide, which informs his collaborative leadership and storytelling skills. Brian combines systems-level thinking with practical code craftsmanship, making him effective at translating complex requirements into reliable production systems.
21 years of coding experience
18 years of employment as a software developer
BA, English, BA, English at Bucknell University
Stackoverflow
2,015reputation
72kreached
12answers
2questions
java
top-5%
jdbc
top-1%
Github Skills (19)
back-end-development10
jdbc10
lua10
apache-http-server10
java9
apidoc9
c119
api9
c179
jsmodules8
kernel-module8
http8
go-modules8
okhttp6
jdbi6
Programming languages (17)
Github contributions (5)
apache/httpd
Jan 2009 - Nov 2011
Mirror of Apache HTTP Server. Issues: http://issues.apache.org
Role in this project:
Back-end Developer
Back-end DeveloperContributions:20 commits in 2 years 10 months
Contributions summary:Brian contributed to the Apache HTTP Server project by modifying the mod_lua module. Their primary focus involved adapting the module to handle request headers and content types correctly. They also refactored the code to improve syntax and incorporate best practices. Furthermore, the user exposed additional request record properties to the Lua environment, enhancing the module's functionality.
apacheapache-http-serverhttpd
brianm/ook
Nov 2022 - Feb 2026
Keith's Index
Contributions:1 release, 72 pushes, 5 branches in 3 years 3 months
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