Chuck Hagenbuch
Engineering Manager at Datadog
Boston, Massachusetts, United States
Summary
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RockstarChuck Hagenbuch is an engineering manager based in Boston with 11 years of software engineering and architecture experience, currently leading teams at Datadog. He combines hands-on backend development with managerial responsibilities, mentoring engineers while driving reliable systems and pragmatic design. His open-source contributions include improving Datadog’s PHP tracing client—adding robust JSON error logging and a flexible stream-based transport for easier debugging—highlighting a focus on observability and developer ergonomics. Curious and practical, he seeks to apply technology to real-world problems through teaching, clear explanations, and work that aligns with organizations he cares about.
11 years of coding experience
English
Github Skills (10)
php10
opentracing10
trace10
tracer10
json9
phpunit8
apm7
datadog7
dockers3
docker3
Programming languages (6)
Github contributions (5)
DataDog/dd-trace-php
Jul 2018 - Oct 2018
Datadog PHP Clients
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 releases, 109 commits, 46 PRs in 3 months
Contributions summary:Chuck contributed to the Datadog PHP tracing library by implementing logging for JSON encoding errors. They refactored the code to inject a logger into the `Json` encoder and added tests to ensure that bad data is logged. Additionally, the user added a `Stdout` transport for debugging purposes, then refactored it into a generic `Stream` transport, providing a method to write spans to a specified stream, including memory streams and stdout, for easier debugging.
php-clientapmphptracinglogging
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