Maggie Dreyer
Principal Software Engineer at Perforce Software
Portland, Oregon, United States
Summary
🤩
Rockstar🎓
Top SchoolMaggie Dreyer is a Principal Software Engineer in Portland with 11 years of experience building and operating backend systems primarily in Clojure, Ruby, Java, and C++. At Perforce (Puppet) she designs APIs, leads delivery of features like a container-based installer and patch management, and drives improvements in test and release automation while helping teams ship reliably. Her open-source contributions to key Puppet projects—puppetdb, puppetserver, hiera and puppet—show deep expertise in server-side engineering, data serialization, JVM performance, and CI/DevOps. She balances hands-on debugging of legacy Ruby/C++ code with architecting new server components and mentoring interns and early-career engineers. A linguistics enthusiast who speaks Spanish and German and studied Hungarian in Budapest, she brings a methodical, communicative approach to cross-team collaboration. Outside work she enjoys reading, knitting, and tabletop and computer games, reflecting a blend of analytical and creative interests.
11 years of coding experience
6 years of employment as a software developer
Bachelor of Arts (B.A.), Computer Science, Bachelor of Arts (B.A.), Computer Science at Lewis and Clark CollegeComputer Science, Computer Science at Aquincum Institute of Technology, BudapestBend Senior High School
Spanish, German, Hungarian
Github Skills (34)
unit-testing10
dependency-management10
git10
puppeteer10
pup10
puppet10
clojure-cli10
testing10
configuration-management10
ruby10
clojure10
build-automation10
version-control10
unit-test10
jruby9
Programming languages (15)
Github contributions (5)
puppetlabs/puppetserver
Dec 2016 - May 2022
Server automation framework and application
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:227 reviews, 735 commits, 636 PRs in 5 years 6 months
Contributions summary:Maggie contributed to the development and maintenance of the puppetserver project, focusing on the backend and infrastructure aspects. Their work involved improving the handling of data serialization and deserialization with Msgpack payloads, updating the CLI classpath to support custom JARs, and configuring EZBake to create a JAR directory for runtime class loading. They also implemented features like the automatic CRL reload and added test cases. Additionally, the user made version updates, and refactored parts of the code base.
automation-framework
puppetlabs/puppet
Jun 2016 - Jan 2022
Server automation framework and application
Role in this project:Back-end Developer
Back-end DeveloperContributions:62 reviews, 373 commits, 442 PRs in 5 years 7 months
Contributions summary:Maggie's contributions focused on enhancing the AIX user provider and adding a server list option to the settings. They fixed a bug in the AIX user provider by correctly handling single-element attribute arrays and added a server list option with logic to issue warnings when both server and server_list are used. The user also added support for the tdnf package provider and implemented a feature to add failover information to reports.
automation-framework
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