Wadeck Follonier
Senior Manager, Engineering at Jenkins project
Vaud, Switzerland
Summary
🤩
Rockstar🎓
Top SchoolWadeck Follonier is a seasoned engineering leader with 10 years of experience, currently Senior Manager, Engineering at CloudBees and based in Vaud, Switzerland. He blends deep security expertise and hands-on backend/DevOps skills, having progressed from Security Software Engineer to managing security engineering and now broader engineering teams. An active contributor and security officer for the Jenkins project, his contributions to high-profile plugins (Jenkins core, Git plugin, GitHub OAuth, credentials) emphasize hardening, secure credential handling, and CI/CD reliability. He is comfortable across the stack—Java, Spring, cloud-native tooling, and test automation—and has led migrations to OpenShift/OpenStack and integrations with security platforms. Known for pragmatic code-level fixes as well as strategic security program building, he pairs technical detail work (CSRF/session fixes, fingerprinting tweaks) with team-level leadership. His EPFL computer science background and recurring CERT role reflect sustained commitment to secure, production-grade open-source software.
10 years of coding experience
8 years of employment as a software developer
Maturité gymnasiale Mathématique fortes - option physique, Maturité gymnasiale Mathématique fortes - option physique at Lycée-Collège des CreusetsMaster's degree Computer Science, Master's degree Computer Science at EPFL
French, English
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (26)
git10
github-oauth10
github10
back-end-development10
apidoc10
testing10
it-security10
sc10
java10
cicd10
security10
javas10
junit10
api10
jenkins10
Programming languages (13)
Github contributions (5)
jenkinsci/credentials-plugin
Jun 2018 - Oct 2021
Provides Jenkins with extension points to securely store, manage, and bind credentials data to other Jenkins plugins, builds, pipelines, etc.
Role in this project:
Backend Developer & Security Engineer
Backend Developer & Security EngineerContributions:2 releases, 18 reviews, 44 commits in 3 years 4 months
Contributions summary:Wadeck's commits primarily address security vulnerabilities and improve the credentials-plugin functionality. The contributions involve code modifications to handle credential fingerprinting, including adding the ability to disable fingerprinting and adjusting logging levels. The user also fixed security-related issues, by addressing credential handling within the system, thus enhancing the security posture of the Jenkins plugin. These changes enhance the plugin's robustness and security.
jenkinsjenkins-pluginsgroovyjenkins-pluginbind
jenkinsci/github-oauth-plugin
Nov 2017 - Feb 2019
Jenkins authentication plugin using GitHub OAuth as the source.
Role in this project:Security Engineer
Security EngineerContributions:1 review, 8 commits, 6 PRs in 1 year 3 months
Contributions summary:Wadeck primarily focused on enhancing the security of the Jenkins GitHub OAuth plugin. Their contributions include addressing vulnerabilities related to session fixation and open redirects. The user also worked on masking sensitive client secrets within the user interface, improving overall security posture. Further, the user fixed authority retrieval issues.
jenkinsgithub-oauthjenkins-pluginjenkins-api-pluginsecurity
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