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JeroenduC

PROFILE

Jeroenduc

Over five months, contributed to the nl-design-system/gebruikersonderzoeken and nl-design-system/utrecht repositories by building user-facing features and refining documentation to improve usability and accessibility. Delivered navigation enhancements, such as a traffic projects page and an Accordion UI component, using React, TypeScript, and CSS to streamline content delivery and reduce user friction. Improved documentation clarity through Dutch language refinements, metadata management, and user feedback integration, supporting maintainability and onboarding. Addressed accessibility by implementing clickable email links and optimizing UI placement for diverse users. Fixed bugs related to documentation accuracy and contact information, demonstrating a methodical approach to user experience and content strategy.

Overall Statistics

Feature vs Bugs

78%Features

Repository Contributions

14Total
Bugs
2
Commits
14
Features
7
Lines of code
931
Activity Months5

Work History

March 2026

3 Commits • 1 Features

Mar 1, 2026

In 2026-03, delivered research-led UI enhancements for nl-design-system/gebruikersonderzoeken: recommended placement of 'Mijn Amsterdam' in the page header with a menu integration to improve accessibility for older users; added metadata fields (date conducted, target group, type of research) to research documents to enhance clarity and traceability; fixed professionalism issues by removing a duplicate UX Designer email in the contact information. All work tracked in the nl-design-system/gebruikersonderzoeken repository through concise commits.

February 2026

2 Commits • 2 Features

Feb 1, 2026

February 2026 monthly summary for nl-design-system/gebruikersonderzoeken: Delivered two user-facing features aimed at improving navigation, accessibility, and information accessibility. Focus was on Utrecht traffic projects, with direct impact on user experience and data accessibility. No major bugs fixed this month; the work prioritized feature delivery and accessibility enhancements to reduce friction for end users and support faster onboarding to traffic project data. The work aligns with product goals to improve usability, consistency with the design system, and scalable patterns for future enhancements.

January 2026

2 Commits • 1 Features

Jan 1, 2026

Month: 2026-01 — Focused on the nl-design-system/utrecht repository. Delivered an Accordion UI Component with optimized client-side loading and a targeted fix to client loading to enhance performance and UX. The changes reduce long-page scrolling and speed up content delivery, aligning with business goals for faster, smoother user interactions across the design system.

November 2025

4 Commits • 1 Features

Nov 1, 2025

November 2025: Documentation-focused delivery for nl-design-system/gebruikersonderzoeken, emphasizing Utrecht entrepreneurship support. Key feature delivered: a comprehensive online visibility research documentation with improved navigation, updated based on user feedback. Major bugs fixed: broken URL reference in Utrecht contact form documentation and a typo in the municipality-commissioned research docs. Impact: clearer guidance for Utrecht-based entrepreneurs, improved knowledge-base maintainability, and stronger documentation practices across the repo. Technologies/skills demonstrated: Git-based collaboration, Markdown documentation, user feedback integration, and careful attention to detail.

October 2025

3 Commits • 2 Features

Oct 1, 2025

October 2025 monthly summary focusing on delivered features, major fixes, impact, and skills demonstrated. Highlights across nl-design-system/gebruikersonderzoeken and nl-design-system/utrecht include linguistic improvements in the Dutch README for onderzoek-doen and UI/UX refinements to the contact block, including LinkSocial integration and styling tweaks to align with design system conventions. These changes reduce user friction, improve documentation readability, and reinforce a cohesive UI across the design system.

Activity

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Quality Metrics

Correctness95.8%
Maintainability92.8%
Architecture94.2%
Performance94.2%
AI Usage22.8%

Skills & Technologies

Programming Languages

CSSHTMLJavaScriptMDXMarkdownTypeScript

Technical Skills

CSSComponent Library UsageDocumentationFront End DevelopmentFront-end DevelopmentInformation ArchitectureReactTechnical WritingUI/UX designUX ResearchUX designUser Experience DesignUser Testingcontent editingcontent management

Repositories Contributed To

2 repos

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

nl-design-system/gebruikersonderzoeken

Oct 2025 Mar 2026
4 Months active

Languages Used

Markdown

Technical Skills

DocumentationTechnical WritingUX designcontent editingcontent managementcontent strategy

nl-design-system/utrecht

Oct 2025 Jan 2026
2 Months active

Languages Used

CSSJavaScriptTypeScriptHTMLMDX

Technical Skills

CSSComponent Library UsageFront End DevelopmentFront-end DevelopmentReactUI/UX design