Guillaume Lecerf
Ingénieur SRE DevOps Cloud at TheFork, a TripAdvisor company
Nantes, Pays de la Loire, France
Summary
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RockstarGuillaume Lecerf is a seasoned SRE/DevOps engineer based in Nantes with 26 years of experience building and operating large web hosting platforms and cloud migrations. Currently at TheFork (TripAdvisor), he helped containerize and migrate web infrastructure to AWS, implementing Kubernetes, Terraform, Helm and CI pipelines while owning incident management, capacity planning and security tooling like Vault. His background spans leading small ops teams, automating fleets of physical and virtual servers with Chef/Ansible, and improving observability with Prometheus/Grafana and centralized logging. He brings hands-on debugging and performance/security auditing experience from roles at Orange and Materiel.net, plus practical PHP and eZ Publish contributions in open-source projects focused on testing and legacy refactoring. Colleagues would describe him as a pragmatic operator who pairs deep operational craft with a taste for automation and test-driven quality improvements.
26 years of coding experience
14 years of employment as a software developer
French, English
Github Skills (17)
unit-testing10
cms10
glpi10
testing10
phpunit10
php10
deprecated10
test-automation10
caching9
cmdb5
ism5
inventory-management-system5
configuration-management5
inventory-management5
cin4
Programming languages (14)
Github contributions (5)
ezsystems/ezpublish-legacy
Feb 2013 - Feb 2016
eZ Publish (aka "legacy kernel" + 3 core "legacy extensions") NOTE: Succeeded by eZ Platform, no further feature releases planned.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 reviews, 35 commits, 5 PRs in 3 years
Contributions summary:Guillaume primarily contributed to bug fixes and enhancements within the eZ Publish legacy codebase, as indicated by the commit messages referencing specific issues (EZP-xxxx). Their work involved modifying core PHP files related to caching, treemenu functionality, and SSL checks. Furthermore, the user implemented tests and performed refactoring and simplification of existing code related to core functionalities.
cmskernelpublishpublishingphp
fusioninventory/fusioninventory-for-glpi
May 2016 - May 2016
FusionInventory plugin for GLPI
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:8 commits, 6 PRs, 5 comments in 9 days
Contributions summary:Guillaume primarily focused on improving the quality of the codebase through unit and integration tests. Their contributions involved modifying existing tests, fixing test failures, and adjusting test data to align with code changes. They updated tests to ignore certain fields and added missing fields, demonstrating a focus on maintaining test accuracy and coverage within the project. Their work specifically targeted tests for computer updates, network equipment discovery, and virtual machines, along with associated log and import functionalities, indicating a dedication to thorough testing.
inventorysnmpsoftware-inventorydiscovery-networkscmdb
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