Guilhem Lettron
Architecte Kubernetes at barpilot
Paris, Ile-de-France
Summary
🤩
Rockstar🎓
Top SchoolGuilhem Lettron is a cloud-native Kubernetes architect and DevOps leader with 15 years of experience helping teams transition from CI/CD pipelines to feature-team-driven continuous improvement. Based in Paris, he combines hands‑on engineering—contributions to high-profile open-source projects like Traefik—with platform design and operational excellence at companies such as Akamai, Cegid and Themecloud. He founded barpilot and runs a podcast, reflecting a knack for translating technical complexity into community knowledge. His background spans bare-metal to multi-cloud migrations, secure data platforms and automated IaC (Terraform, Ansible, Packer), plus performance tuning for services like HAProxy. Notably, he has practical experience integrating Mesos/Marathon ecosystems and introducing Traefik as a reload-safe proxy at scale. He’s as comfortable writing deployment primitives and CI tooling as he is coaching teams on developer experience and operability.
15 years of coding experience
8 years of employment as a software developer
French engineering degree Systems Engineering, French engineering degree Systems Engineering at Université de Technologie de Compiègne (UTC)
French, en
Stackoverflow
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Github Skills (39)
cookbook10
file-management10
docker10
npm10
reverse-proxy10
marathon10
terraform-cloud10
configuration-management10
resource-management10
dockers10
terraform10
chef-client10
automation10
infrastructure10
go10
Programming languages (28)
Github contributions (5)
sous-chefs/nodejs
Mar 2014 - Apr 2016
Development repository for the nodejs cookbook
Role in this project:
DevOps Engineer
DevOps EngineerContributions:101 commits, 26 PRs, 36 pushes in 2 years 1 month
Contributions summary:Guilhem primarily focused on maintaining and improving the project's infrastructure and build processes. Their commits demonstrate work on fixing code linting issues, integrating Chef-related configurations, and refactoring the npm installation process. They also made changes to the build and package management aspects, including installing node.js and npm and refactoring how these are installed. The user's efforts improve the project's maintainability and ensure that the project's core dependencies are managed efficiently.
ejscookbooknode-jsnodejschef-resource
traefik/traefik
Oct 2016 - Nov 2017
The Cloud Native Application Proxy
Role in this project:Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:14 commits, 10 PRs, 68 comments in 1 year 1 month
Contributions summary:Guilhem primarily focused on enhancing the Traefik proxy's integration with the Mesos Marathon framework, specifically adding compatibility with `marathon-lb` labels, and port handling. They implemented features related to constraint matching within Marathon applications. Furthermore, the user updated the build process with deployment primitives using travis and added systemd watchdog functionality.
zookeeperproxyload-balancingreverse-proxymesos
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