Kyle Hasselbacher
Site Reliability Engineer at COFENSE
Lombard, Illinois, United States
Summary
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RockstarKyle Hasselbacher is a Site Reliability Engineer with 17 years of hands-on experience building and maintaining robust Linux-based infrastructure and production automation. Currently at Cofense after seven years driving SRE practices at Flexera, he brings deep operational expertise from roles spanning senior Linux system administration to Perl development. He contributes to open-source testing for the Rakudo Raku compiler, improving test automation, coverage, and tooling around tricky test scenarios—an indicator of his attention to reliability at both system and code levels. Based in Lombard, Illinois, Kyle combines legacy scripting knowledge with modern SRE practices to reduce outages and streamline deployments. Colleagues rely on him for pragmatic, test-driven solutions that keep complex services healthy in demanding environments.
17 years of coding experience
18 years of employment as a software developer
Github Skills (5)
testing10
rakudo10
test-automation10
raku10
perl9
Programming languages (2)
Github contributions (5)
rakudo/rakudo
Jul 2009 - Dec 2015
🦋 Rakudo – Raku on MoarVM, JVM, and JS
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:35 commits, 1 push in 6 years 6 months
Contributions summary:Kyle primarily focused on improving the testing framework and test coverage for the Rakudo Raku compiler. They fixed test failures, enhanced the `is_deeply` test functionality, and ensured proper handling of various test scenarios. Furthermore, the user modified test scripts to correctly process comments and added enhancements to testing automation processes, including the integration of forking.
rakudorakujavascriptmoarvmjvm
Raku/roast
Dec 2010 - May 2012
🦋 Raku test suite
Contributions:36 commits in 1 year 5 months
rakutestingsuiteruby
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