Chris Hallgren
Director Of Engineering at Hallgren Networks
Austin, Texas, United States
Summary
👤
Senior🎓
Top SchoolChris Hallgren is a Director of Engineering based in Austin with 15 years of hands-on experience building full-stack web and mobile systems using Java, Kotlin, .NET, PHP (CakePHP, Laravel), Python and modern front-end technologies. He blends operational rigor from running his own networks and businesses with healthcare domain expertise—having worked in tissue and blood recovery roles—which informs robust, compliance-conscious software for clinical and enterprise contexts. As an entrepreneur and longtime owner of Hallgren Networks and co-founder of GeoClique, he pairs strategic leadership with day-to-day coding and system administration. An active open-source contributor, Chris has improved popular projects ranging from Bootstrap admin themes to the QuickBooks PHP SDK and multiple CakePHP plugins, often focusing on maintenance, compatibility, and responsive UI fixes. He’s comfortable across cloud platforms (AWS, CloudFormation), databases and integrations such as QuickBooks Online, and brings a practical bias toward refactors that reduce technical debt. Notably, his background as a paramedic and firefighter surfaces in a calm, systems-oriented approach to incident response and high-stakes problem solving.
15 years of coding experience
8 years of employment as a software developer
Associate's degree, Emergency Medical Technology/Technician (EMT Paramedic), Associate's degree, Emergency Medical Technology/Technician (EMT Paramedic) at McHenry County College
Stackoverflow
58reputation
5kreached
3answers
1question
Github Skills (41)
cakephp10
javascript10
integrate10
bootstrap10
apidoc10
plugin-development10
css10
templater10
template-engine10
queuing10
integrations10
phpunit10
php10
api10
html10
Programming languages (15)
Github contributions (5)
dereuromark/cakephp-tools
Sep 2014 - Dec 2019
A CakePHP Tools plugin containing lots of useful helpers, behaviors, components, shells, ...
Role in this project:
Back-end Developer
Back-end DeveloperContributions:21 commits, 10 PRs, 17 comments in 5 years 4 months
Contributions summary:Chris primarily contributed to the CakePHP-based back-end of the project. Their work focused on updating the codebase to support newer CakePHP versions and fixing deprecation warnings. They modified components, controllers, and utility files to ensure compatibility and improve code quality. These changes included adapting to updated methods, incorporating new features, and addressing code style issues.
behaviorsuidphpshellsrequirejs
intuit/QuickBooks-V3-PHP-SDK
May 2018 - Nov 2018
Official PHP SDK for QuickBooks REST API v3.0: https://developer.intuit.com/
Role in this project:Back-end Developer
Back-end DeveloperContributions:22 commits, 6 PRs, 44 comments in 6 months
Contributions summary:Chris primarily worked on the PHP SDK for the QuickBooks REST API, focusing on code generation and object updates. They customized the XSD2php tool to generate PHP files from XSD definitions, including support for specific customizations required by the QuickBooks SDK. The user also updated PHP objects to support new features and data elements related to Minor Version 23 of the QuickBooks API, demonstrating a focus on maintaining and evolving the SDK's functionality. Additionally, the user refactored the codebase by removing unused parameters and fixing type hints for better code quality.
apiintegrationapi-v3phpsdk
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