Peter Housel
Principal Software Engineer at Masimo Corporation
Irvine, California, United States
Summary
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Rockstar🎓
Top SchoolPeter Housel is a Principal Software Engineer in Irvine with 27 years of experience designing and shipping complex systems across semiconductor tools and medical device software at companies including Masimo, Mindspeed, and Novelics. He blends deep systems and embedded expertise—grounded by an MSEE and MS in Computer Science—with a long history of solving low-level problems in production environments. An active contributor to niche open-source projects, he has implemented CLOS-related fixes and package management enhancements for Mezzano, an operating system written in Common Lisp, reflecting a taste for language-level and OS internals work. Known for stabilizing core platform features and mentoring cross-functional teams, he brings both practical engineering rigor and an appetite for elegant, low-level solutions that most application engineers never see.
27 years of coding experience
11 years of employment as a software developer
MSEE, Electrical Engineering, MSEE, Electrical Engineering at Purdue UniversityUniversity of California, Irvine
English, Chinese, German
Stackoverflow
2,661reputation
355kreached
18answers
0questions
lisp
top-5%
Github Skills (15)
os-development10
common-lisp10
operating-system10
lisp9
asdf9
file-management8
filesystem8
package-management8
ide6
floating-point6
cdr6
javascript6
cons6
parsing6
emacs6
Programming languages (15)
Github contributions (5)
froggey/Mezzano
Feb 2018 - May 2018
An operating system written in Common Lisp
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 4 PRs in 2 months
Contributions summary:Peter primarily focused on implementing and fixing features related to the Common Lisp Object System (CLOS) within the Mezzano operating system. They addressed issues related to class slot management, including preserving class slots through redefinition and fixing unbound slot errors. Furthermore, they implemented functionality for directory deletion and integrated ASDF for loading individual source files. Their contributions are centered around core system functionality and package management.
operating-systemoperatinglispcommon-lisp
dylan-hackers/gwydion
Aug 2004 - Jan 2011
Contributions:84 commits in 6 years 6 months
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