Colin O'dell
Senior Software Engineer II - Platform Engineering
Frederick, Maryland, United States
Summary
🤩
Rockstar🎓
Top SchoolColin O'dell is a Senior Software Engineer II in Platform Engineering with 15 years of experience building enterprise web applications, developer tooling, and scalable platform services. He combines deep PHP and backend expertise with cross-language automation (Docker, Helm, Terraform) to accelerate teams and shave months off delivery timelines—recently driving Renovate from dozens to thousands of repos to reclaim tens of thousands of engineering hours. A seasoned open-source maintainer and conference speaker, he contributes to projects like thephpleague/commonmark and Packagist (adding TOTP 2FA and rate limiting) and has improved docs and tooling across Symfony, Kustomize, and Renovate. Colin blends hands-on engineering with technical leadership—improving CI, local dev environments, and observability at scale—and outside work he maintains popular OSS projects and even finds time to learn ice hockey.
15 years of coding experience
16 years of employment as a software developer
Business, Business at University of Rhode Island
Stackoverflow
8,517reputation
1.6mreached
111answers
41questions
php
top-5%
image
top-5%
Github Skills (53)
markdown10
dependency-management10
git10
kubernetes10
unit-testing10
github10
package-management10
testing10
quality-assurance10
authentication10
user-authentication10
software-quality10
phpunit10
security10
two-factor-authentication10
Programming languages (20)
Github contributions (5)
thephpleague/commonmark
Sep 2014 - Jan 2023
Highly-extensible PHP Markdown parser which fully supports the CommonMark and GFM specs.
Role in this project:
Back-end & Test Automation Engineer
Back-end & Test Automation EngineerContributions:124 releases, 87 reviews, 2054 commits in 8 years 6 months
Contributions summary:Colin primarily contributed to the development and testing of the PHP Markdown parser, focusing on enhancing functionality and quality. They added new unit tests and identified and fixed missing tests, resulting in improved reliability of the codebase. The commits demonstrate proficiency in PHP unit testing frameworks and understanding the structure of a Markdown parsing library.
twig-extensioncommonmarkphpgithub-flavored-markdownmarkdown-parser
thephpleague/html-to-markdown
May 2015 - Oct 2022
Convert HTML to Markdown with PHP
Role in this project:Back-end Developer
Back-end DeveloperContributions:29 releases, 5 reviews, 218 commits in 7 years 5 months
Contributions summary:Colin primarily contributed to improving the HTML to Markdown converter. Their work focused on adding tests for consecutive inlines, refining whitespace handling, and removing workarounds for consecutive links. Additionally, the user bumped the version and updated project attribution. These changes involved modification of the core conversion logic.
commonmarkphpmarkdown-to-htmlconvert-html-to-markdownto-markdown
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