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Cécile Vuilleumier

PROFILE

Cécile Vuilleumier

Cécile Vuilleumier contributed to the geoserver/geoserver and camptocamp/ngeo repositories by delivering authentication enhancements, UI improvements, and platform modernization. She migrated GeoServer’s authentication to spring-security 5.8, integrated OpenID Connect, and added configuration panels for secure, user-friendly deployments. Her work included KML encoding improvements using Java and XML, and upgraded core dependencies to Jakarta EE and Hibernate 7, ensuring compatibility with Spring 6. In camptocamp/ngeo, she resolved UI bugs and improved user interactions with JavaScript. Cécile’s engineering demonstrated depth in backend and frontend development, focusing on robust, maintainable solutions that improved security, compatibility, and user experience.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

15Total
Bugs
4
Commits
15
Features
4
Lines of code
10,627
Activity Months5

Work History

October 2025

10 Commits • 2 Features

Oct 1, 2025

In October 2025, delivered modernization, robustness, and accuracy improvements for geoserver/geoserver. Key work includes KML encoding improvements via a new library, major platform modernization to Jakarta-based APIs, and robust metadata handling for large data packages. These changes improve compatibility with Spring 6 and Jakarta EE, enhance KML generation accuracy, and reduce maintenance risk for future releases. The work lays groundwork for continued feature delivery and smoother upgrades across dependencies.

September 2025

2 Commits • 1 Features

Sep 1, 2025

September 2025 monthly summary focusing on delivering business value through secure authentication enhancements and reliable UI interactions. Highlights include: 1) URL-based authentication for custom interfaces enabled in camptocamp/c2cgeoportal to support urllogin on the main HTML page; 2) bug fix for edit panel activation in camptocamp/ngeo ensuring the 'editing' panel is correctly referenced and activated; 3) overall impact includes improved security, smoother user experience, and clear commit traceability across repos.

August 2025

1 Commits

Aug 1, 2025

2025-08 Monthly Summary — camptocamp/ngeo: Focused UI bug fix delivering user-visible improvement with clear traceability.

July 2025

1 Commits • 1 Features

Jul 1, 2025

July 2025 monthly summary for geoserver/geoserver: OAuth2/OIDC Authentication Overhaul. Replaced the authentication stack with spring-security 5.8, added OIDC provider/resource server configuration panels, improved discovery client behavior, and refined login button visibility based on provider enablement to deliver a secure, configurable, and user-friendly authentication experience for GeoServer deployments.

March 2025

1 Commits

Mar 1, 2025

March 2025 summary for geoserver/geoserver: Stability improvements focused on workspace-scoped graphics handling. The primary fix addresses a NullPointerException in generating URLs for single external graphics by correctly referencing the workspace style directory. Additionally, the icon service now uses workspace-prefixed style names or includes the workspace name in the path, improving icon resolution across multiple workspaces. These changes were implemented via commit a46432b3344af55f69b27bf79abc65a608e88b97, linked to GEOS-11274 and GEOS-11751. Overall impact: fewer runtime errors and more reliable graphics rendering across workspaces, leading to smoother styling workflows and reduced support incidents. Technologies/skills demonstrated: Java, resource/path resolution, workspace-aware design, commit-based traceability.

Activity

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Quality Metrics

Correctness88.6%
Maintainability87.4%
Architecture86.6%
Performance76.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

HTMLJavaJavaScriptPythonSLDShellXML

Technical Skills

API MigrationBackend DevelopmentBuild ManagementDependency ManagementFront End DevelopmentFront-end DevelopmentFrontend DevelopmentFull Stack DevelopmentGeoServerHibernateJakarta EEJavaJava DevelopmentJava EEJavaScript

Repositories Contributed To

3 repos

Overview of all repositories you've contributed to across your timeline

geoserver/geoserver

Mar 2025 Oct 2025
3 Months active

Languages Used

JavaSLDHTMLJavaScriptShellXML

Technical Skills

Backend DevelopmentGeoServerJava DevelopmentKMLWMSFrontend Development

camptocamp/ngeo

Aug 2025 Sep 2025
2 Months active

Languages Used

JavaScript

Technical Skills

Front End DevelopmentFront-end DevelopmentJavaScript

camptocamp/c2cgeoportal

Sep 2025 Sep 2025
1 Month active

Languages Used

Python

Technical Skills

Backend DevelopmentWeb Development

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