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doubleface

PROFILE

Doubleface

Christophe contributed to the Cozy Cloud ecosystem by building and enhancing features across cozy-client, cozy-drive, and cozy-libs, focusing on data integrity, real-time collaboration, and user experience. He implemented shared-drive replication and dynamic doctype management using JavaScript and TypeScript, improving cross-device data consistency and developer ergonomics. In cozy-drive, Christophe delivered UI/UX improvements such as breadcrumb navigation, real-time updates via WebSockets, and navigation reliability fixes, addressing both performance and usability. His work included robust API development, state management, and documentation, demonstrating depth in both backend and frontend engineering. The solutions addressed reliability, maintainability, and scalability across multiple repositories.

Overall Statistics

Feature vs Bugs

71%Features

Repository Contributions

42Total
Bugs
6
Commits
42
Features
15
Lines of code
3,651
Activity Months5

Work History

October 2025

21 Commits • 3 Features

Oct 1, 2025

October 2025: Consolidated cross-device data synchronization enhancements and dynamic content management across Cozy apps, with a focus on reliability, performance, and developer ergonomics. Notable progress includes shared-drive replication improvements in cozy-client and a dynamic doctype lifecycle, plus UX experimentation in cozy-drive (folder color customization) that informed future UX direction. Outcomes include more deterministic replication, robust doctype handling, and clearer guidance from feature learnings.

September 2025

16 Commits • 11 Features

Sep 1, 2025

September 2025 (2025-09) monthly summary: Delivered navigation, collaboration, and reliability improvements across cozy-drive, cozy-ui, and cozy-libs to boost user productivity and data freshness. Key features delivered include breadcrumb navigation enhancements for shared content, a Leave Shared Drive action in the toolbar, real-time updates for shared drives and files, UI/UX improvements for large lists (including a collapsible Sidebar) and performance optimizations (upload queue purge refinements and disabling caching for shared drive files). Localization and navigation reliability were improved with a French locale fix and URL-driven tab navigation/redirects for sharings. Demonstrated technologies include React component design, real-time WebSocket subscriptions, route-param driven navigation, i18n fixes, and caching strategy optimizations.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for cozy/cozy-client: Delivered the Doctypes API enhancement set, introducing a Doctypes Model and the listAllDoctypes fetch function. These changes enable clients to retrieve all doctypes from the current Cozy instance via stackClient, with full documentation included for the new model and function. Impact: Improves data discovery and consistency across Cozy apps, reduces client-side boilerplate by providing a server-backed fetch path, and lays a solid foundation for Doctype-driven UI, plugins, and tooling across the Cozy stack.

January 2025

2 Commits

Jan 1, 2025

January 2025 monthly summary for cozy/cozy-libs focusing on Account Management UI bug fixes and navigation improvements. Delivered essential bug fixes to multi-account display and Add Account navigation, improving user experience and onboarding for konnectors. These changes reduce confusion, prevent misnavigation, and enhance reliability in non-client-side flows.

December 2024

2 Commits

Dec 1, 2024

December 2024: Delivered targeted reliability and data integrity improvements across cozy-client and cozy-libs. Focused on deduplication of konnector folders and robust konnector data fetch/trigger synchronization, leading to more predictable behavior and reduced data inconsistencies.

Activity

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Quality Metrics

Correctness86.0%
Maintainability85.2%
Architecture81.0%
Performance82.2%
AI Usage20.0%

Skills & Technologies

Programming Languages

CSSJSXJavaScriptMarkdownTypeScript

Technical Skills

API DesignAPI DevelopmentAPI IntegrationAsynchronous ProgrammingBackend DevelopmentCloud ServicesComponent DevelopmentData ReplicationDatabase ManagementDocumentationFront End DevelopmentFront-end DevelopmentFrontend DevelopmentFull Stack DevelopmentFull stack development

Repositories Contributed To

4 repos

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

cozy/cozy-client

Dec 2024 Oct 2025
3 Months active

Languages Used

JavaScriptTypeScriptMarkdown

Technical Skills

API DevelopmentFull stack developmentJavaScriptNode.jsDocumentationAPI Design

cozy/cozy-drive

Sep 2025 Oct 2025
2 Months active

Languages Used

CSSJSXJavaScriptTypeScript

Technical Skills

API IntegrationComponent DevelopmentFront End DevelopmentFront-end DevelopmentFrontend DevelopmentJavaScript

cozy/cozy-libs

Dec 2024 Sep 2025
3 Months active

Languages Used

JavaScript

Technical Skills

Frontend DevelopmentReact HooksFront End DevelopmentFront-end DevelopmentReactAPI Integration

cozy/cozy-ui

Sep 2025 Sep 2025
1 Month active

Languages Used

JSXJavaScript

Technical Skills

Component DevelopmentFront End DevelopmentFront-end DevelopmentReactUI DevelopmentUI/UX

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