Jérémy Decool
Staff Engineer at Activinnov
Lyon, Auvergne-Rhône-Alpes, France
Summary
🤩
Rockstar🎓
Top SchoolJérémy Decool is a Staff Engineer based in Lyon with 13 years of hands-on experience building high-traffic, business-driven web platforms and shaping sustainable architectures. He combines deep PHP/Symfony backend expertise with strong DevOps practice—shipping reliable microservices, CI/CD, and observability improvements for production systems. As an architect at Activinnov he mentors teams, standardizes platforms and develops cross-cutting tools to boost developer productivity and quality. He is an active open-source contributor—enhancing GitLab API client, improving Mercure’s metrics and security, and fixing real-world image-processing issues—demonstrating a pragmatic focus on robustness and operability. Colleagues know him for balancing long-term vision with practical implementation and for improving processes that make teams more autonomous.
13 years of coding experience
14 years of employment as a software developer
Licence Information Technology, Licence Information Technology at Université d'Avignon et des Pays de VaucluseTwo year university diploma Information Technology, Two year university diploma Information Technology at IUT MontpellierMaster Information Technology, Master Information Technology at Avignon Université
Stackoverflow
267reputation
18kreached
7answers
8questions
Github Skills (37)
gd10
exif10
apidoc10
gitlab-api10
image-processing10
api-client10
php10
go10
prometheus10
api10
golang10
exiftool10
metric10
phpunit9
server-sent-events9
Programming languages (20)
Github contributions (5)
Sybio/ImageWorkshop
Nov 2014 - May 2022
ImageWorkshop is a PHP5.3+ library that helps you to manage images based on GD library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 releases, 6 reviews, 95 commits in 7 years 7 months
Contributions summary:Jérémy primarily contributed to the back-end functionality of the image processing library. They fixed bugs related to background color handling and image orientation based on EXIF data. The user also implemented the ability to load images from URLs, and added exception handling for save image operations.
imagephp5phpgd-libraryimage-processing
GitLabPHP/Client
Sep 2016 - Jul 2020
GitLab API v4 client for PHP
Role in this project:Back-end Developer
Back-end DeveloperContributions:7 commits, 5 PRs, 6 comments in 3 years 10 months
Contributions summary:Jérémy significantly contributed to the GitLab API client, focusing on expanding its functionality. Their work includes implementing methods related to deploy keys, group variables, and merge request approvals. The user also added methods for managing group variables, including creation, retrieval, updating, and deletion. These changes indicate an effort to provide a more complete and robust API client for interacting with GitLab resources.
api-clientapigitlab-apihttplugphp
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