Gérald Croës
VP Of Engineering at Traefik Labs
Lyon, Auvergne-Rhône-Alpes, France
Summary
🤩
Rockstar🎓
Top SchoolGérald Croës is a seasoned engineering leader with 14 years of experience, currently serving as VP of Engineering at Traefik Labs in Lyon, where he grew from senior developer to lead core product and team strategy. He combines deep backend and architecture expertise—demonstrated by hands-on contributions to the popular open-source Traefik proxy around websocket handling and Docker integration—with a strong background in testing and QA from contributions to the atoum PHP testing framework. His career spans roles from software engineer to enterprise architect, blending operational pragmatism with strategic system design across insurance and enterprise IT. Known for improving core proxy behavior and extending assertion libraries, he brings a pragmatic, detail-oriented approach to building reliable, container-native infrastructure.
14 years of coding experience
6 years of employment as a software developer
DUT, Computer Sciences, DUT, Computer Sciences at Université Claude Bernard Lyon 1SIA, Computer Sciences, SIA, Computer Sciences at Université Jean Moulin (Lyon III)Gestion Industrielle, Gestion Industrielle at Ecole Supérieure de Commerce et d'Industrie
English, French
Github Skills (15)
unit-testing10
test-framework10
docker10
php10
go10
reverse-proxy10
dockers10
atoum10
test-automation10
websocket9
load-balancer8
api8
apim8
golang8
api-design8
Programming languages (10)
Github contributions (5)
traefik/traefik
Dec 2017 - Feb 2019
The Cloud Native Application Proxy
Role in this project:
Back-end Developer
Back-end DeveloperContributions:15 reviews, 19 commits, 26 PRs in 1 year 2 months
Contributions summary:Gérald primarily focused on modifying and improving the Traefik proxy's core backend functionality, specifically addressing websocket handling and Docker integration. They implemented changes to include headers in HTTP responses for websocket requests, indicating a focus on ensuring proper websocket communication. The user also made changes to how Traefik interacts with Docker, enhancing the binding functionality when using a dedicated IP, demonstrating a working knowledge of the underlying configurations. These commits suggest a focus on core proxy functionality and integrating it with containerization systems.
zookeeperproxyload-balancingreverse-proxymesos
atoum/atoum
Jul 2011 - Jan 2012
The modern, simple and intuitive PHP unit testing framework.
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:24 commits in 6 months
Contributions summary:Gérald primarily contributed to the PHP unit testing framework, `atoum`. Their commits focused on extending the testing capabilities by adding new assertions for array manipulation, specifically `strictlyContains`, `strictlyNotContains`, `hasKey`, `notHasKey`, `containsValues`, `notContainsValues`, `strictlyContainsValues`, and `strictlyNotContainsValues`. The user also removed deprecated functionality like `atKey`. These additions demonstrate a focus on expanding the framework's assertion library. The user also updated the tests to incorporate the new methods.
testing-frameworktestingphptest-frameworkunit-testing-framework
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