Patrick Calahan
Principal Software Architect at Salesforce.com
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolPatrick Calahan is a Principal Software Architect in San Francisco with nine years in senior enterprise roles and over two decades of engineering experience driving large-scale platform reliability and developer productivity at Salesforce. He combines hands-on architectural leadership—rewriting critical engines, migrating monoliths, and automating production failure routing—with pragmatic, customer-focused delivery that produced record subscription revenue. Known for leading engineering-by-keyboard, he has orchestrated cross-organizational programs to declare ownership of millions of legacy files and built tooling that cut developer build times by 20%. Patrick pairs empathy-driven team leadership with a knack for retrofitting complex systems (notably encryption-at-rest into a legacy ORM) to meet modern security and operational demands.
9 years of coding experience
19 years of employment as a software developer
B.A., History / C.S., B.A., History / C.S. at Reed College
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (38)
minecraft10
backup10
minecraft-fabric10
quilt10
utility-mod9
controlling9
loader9
fabric9
vlocity9
server-side8
sorting8
inject8
spawn8
trails8
forge8
Programming languages (5)
Github contributions (5)
pcal43/quicksort
Jul 2022 - Dec 2022
Minecraft mod. Low-effort item sorting to keep your workshop organized.
Contributions:34 commits, 22 PRs, 25 pushes in 5 months
minecraftminecraft-fabricminecraft-mod
pcal43/copper-hopper
Feb 2022 - Dec 2022
Minecraft mod. Easier vanilla-style Item Sorting.
Contributions:41 commits, 32 PRs, 41 pushes in 10 months
minecraftmoditemsortingminecraft-mod
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