Justin Stoller
Senior Software Engineer at Puppet
Amity, Oregon, United States
Summary
🤩
Rockstar🎓
Top SchoolJustin Stoller is a Senior Software Engineer with 15 years of hands-on experience building and hardening backend systems and DevOps tooling, based in Amity, Oregon. At Puppet since 2011 he has focused on improving test infrastructure, CI/CD pipelines, and reliability for core projects like puppetserver, r10k, and widely used Puppet modules such as puppetlabs-apache and puppetlabs-ntp. He specializes in acceptance testing and automation (notably contributions to the beaker testing harness) and has driven work that prevents unsupported-platform test runs and enhances cross-platform compatibility. Justin pairs pragmatic engineering with release-minded maintenance—implementing features, refactors, and post-run hooks that make deployments more predictable. He holds a BS in Sociology from the University of Oregon, an uncommon background that contributes to his practical, systems-oriented approach to collaboration and process improvement.
15 years of coding experience
Bachelor of Science (BS), Sociology, Bachelor of Science (BS), Sociology at University of Oregon
Github Skills (31)
puppeteer10
docker10
puppet10
scripting10
clojure-cli10
testing10
dockers10
cicd10
ruby10
clojure10
release-management10
python-modules10
automation10
script10
sup10
Programming languages (15)
Github contributions (5)
voxpupuli/beaker
Oct 2011 - Jan 2016
Puppet Acceptance Testing Harness
Role in this project:
DevOps Engineer & Test Automation Engineer
DevOps Engineer & Test Automation EngineerContributions:556 commits, 12 PRs, 3 pushes in 4 years 4 months
Contributions summary:Justin's contributions center around enhancing the Puppet Acceptance Testing Harness, specifically the beaker framework. They fixed configuration and code typos, improving testing efficiency and accuracy. Moreover, they extended test coverage by adding checks for Rack and various gem versions, including ruby-augeas and ActiveRecord, while also adding tests for the PE uninstaller. Further improvements were made in setting up and testing the removal process as well as implementing features for testing within the project.
acceptance-testingpuppet
puppetlabs/r10k
Apr 2015 - May 2022
Smarter Puppet deployment
Role in this project:DevOps Engineer & Release Manager
DevOps Engineer & Release ManagerContributions:184 reviews, 193 commits, 186 PRs in 7 years 2 months
Contributions summary:Justin primarily contributed to improving the reliability and maintainability of the r10k deployment process. Their work included addressing issues on Ubuntu Bionic, which involved moving the output pumping for subprocesses. The user implemented features such as supporting environment-specific post-run hooks, and ensuring CLI functionality and various merge requests for new features and bug fixes across multiple branches. They were also instrumental in preparing for the project's releases.
puppet
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