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Robbert Broersma

PROFILE

Robbert Broersma

Robbert Broersma developed and maintained core UI infrastructure for the NL Design System, delivering reusable components, automated CI/CD pipelines, and secure publishing workflows across repositories such as nl-design-system/utrecht and nl-design-system/themes. He implemented token-driven theming, accessibility enhancements, and robust build processes using TypeScript, CSS, and Terraform, ensuring design consistency and rapid feature delivery. Robbert’s work included refactoring component libraries, integrating SBOM generation for supply chain security, and automating onboarding and governance with Infrastructure as Code. His technical depth is evident in the alignment of design tokens, documentation, and deployment, resulting in scalable, maintainable, and auditable design system assets.

Overall Statistics

Feature vs Bugs

86%Features

Repository Contributions

416Total
Bugs
32
Commits
416
Features
194
Lines of code
96,086
Activity Months12

Work History

October 2025

45 Commits • 17 Features

Oct 1, 2025

October 2025: Delivered significant business value through secure publishing, robust CI/CD, and governance improvements across the design-system monorepo, while delivering concrete feature work and bug fixes. Highlights include: Storybook Vercel deployment for Theme Wizard in nl-design-system/terraform; addition of Richadr as kernteam-committer and expanded Terraform PR permissions to expertteam and kernteam-committers; CI/CD and environment provisioning enhancements including publish environments and tag governance; secure npm publishing with OIDC provenance across core packages (themes, candidate, documentatie, Utrecht, Tilburg, rijkshuisstijl-community, RVO); and ongoing maintenance, team management changes, and archiving preparation.

September 2025

10 Commits • 8 Features

Sep 1, 2025

September 2025 monthly summary: Delivered Terraform-driven provisioning for new repositories (editor, theme-wizard) with production-grade settings, branch protections, and Vercel deployment integration. Implemented PR approval policy adjustments to balance safety and admin capacity (temporary increase to 2 approvals, then revert to 1). Updated expert team membership and tightened access in the editor repo, including removal of Dependabot collaboration rights. Expanded NL Design System documentation and community outreach with a dedicated Slack page and stakeholder sign-up form integrated into docs with redirects. Optimized UI presentation by reducing center-column spacing for a tighter, more readable layout.

August 2025

2 Commits • 2 Features

Aug 1, 2025

For 2025-08, delivered end-to-end SBOM capabilities across two NL-design-system repositories, integrating SBOM generation into CI/CD workflows and enabling SBOM inclusion in GitHub releases. Implemented security-focused, auditable software component disclosure to improve supply chain transparency and compliance. No critical bugs reported; overall stability maintained across the two repos.

July 2025

5 Commits • 4 Features

Jul 1, 2025

July 2025: Key CI/CD and documentation hygiene improvements across four repositories. Implemented automated deployment to gh-pages, tidied up documentation by removing obsolete aliases, refreshed the core team representation, and cleaned up access controls to reflect personnel changes. These efforts enhanced deployment reliability, documentation clarity, security posture, and alignment with current team structure, delivering measurable business value with minimal user impact.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for nl-design-system/utrecht. Key delivery: tooltip component refactor renaming animation CSS variables to transition for clarity and consistency, enabling more predictable design-token behavior and reducing maintenance effort. Commit 0fd816b299b1218e7af181fbbb373b94ad7ec6d0 documents the change. No other features or major bugs were recorded in this month for the repo. Overall impact: improved design-system coherence, easier developer onboarding, and reduced risk of token drift. Technologies/skills demonstrated: CSS variable refactoring, design-system token governance, code refactoring discipline, commit-level traceability, collaboration with design tokens team. Business value: clearer APIs for consumers, faster UI feature delivery, and lower future refactor cost.

May 2025

12 Commits • 7 Features

May 1, 2025

May 2025 monthly summary focusing on delivering features, fixes, and improvements across three design-system repositories to enable onboarding, project management, UX components, and branding consistency. Key outcomes include onboarding automation, UI component delivery, navigation and typography enhancements, and a URL migration fix that aligns with the new web presence. These changes boost developer productivity, contributor governance, product usability, and branding integrity while improving build hygiene and documentation quality.

April 2025

16 Commits • 11 Features

Apr 1, 2025

April 2025 performance summary focused on delivering reusable UI components, expanding the design system across denhaag, utrecht, themes, and documentation, and improving build hygiene and onboarding. Key features delivered span web components, custom elements, and tokens, while bug fixes tightened visual fidelity and accessibility across components. Cross-project work reinforced business value through consistent UX, faster feature delivery, and scalable design governance.

March 2025

14 Commits • 8 Features

Mar 1, 2025

March 2025: Delivered accessibility, governance, and design-token improvements across the NL Design System portfolio, enhancing user experience, security, and release discipline. Key outcomes span documentation, automated provisioning, and token standardization, with concrete business value in improved accessibility, faster safe deployments, and consistent design tokens.

February 2025

14 Commits • 7 Features

Feb 1, 2025

February 2025 delivered a robust UI design system foundation across CSS, React, Web Components, and Vue; improved packaging and collaboration workflows; and centralized key components for reuse. Highlights include Utrecht UI components across CSS/React/Web Components, vanilla HTML/CSS + Vue HtmlContent, design tokens, and hardened exports; Tilburg component reuse, and Terraform collaboration governance. These changes reduce time-to-market, improve design consistency, and streamline contributions.

January 2025

29 Commits • 12 Features

Jan 1, 2025

January 2025 marked a focused push on accessibility, architectural clarity, and token-driven design system modernization across NL Design System repos. Key automation and governance improvements reduce manual overhead and risk, while token-based UI and comprehensive documentation enable faster, consistent feature delivery and easier onboarding.

December 2024

131 Commits • 53 Features

Dec 1, 2024

December 2024 monthly summary: Delivered a broad set of improvements across the nl-design-system repositories, with a focus on CI/build performance, design token standardization, accessibility, and developer experience. The work enables faster, more reliable releases, consistent theming tokens, and improved onboarding and documentation for contributors. Overall impact includes a more scalable design system, reduced pipeline times, and stronger alignment between design tokens, components, and documentation across all projects.

November 2024

137 Commits • 64 Features

Nov 1, 2024

November 2024 monthly performance summary: Delivered a token-driven design system foundation across the themes and Utrecht components, expanded React npm packages, and strengthened build, CI, and documentation to accelerate product delivery and design consistency across multiple repos. The month saw notable progress in design tokens governance, theming, and scalable packaging, enabling faster component delivery and consistent design tokens across products.

Activity

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Quality Metrics

Correctness95.2%
Maintainability95.4%
Architecture93.2%
Performance91.8%
AI Usage20.2%

Skills & Technologies

Programming Languages

CSSHCLHTMLINIJSONJSXJavaScriptMDXMarkdownReact

Technical Skills

API DesignAccessibilityAccessibility (WAI-ARIA)Accessibility (a11y)Accessibility TestingArchitecture ModelingAutomationBabelBuild ConfigurationBuild ManagementBuild ProcessBuild Process ManagementBuild Process OptimizationBuild System ConfigurationBuild Tools

Repositories Contributed To

11 repos

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

nl-design-system/utrecht

Nov 2024 Oct 2025
9 Months active

Languages Used

CSSHTMLJSONJavaScriptMarkdownReactSCSSShell

Technical Skills

AccessibilityAccessibility (WAI-ARIA)BabelBuild ConfigurationBuild ProcessBuild Process Management

nl-design-system/themes

Nov 2024 Oct 2025
6 Months active

Languages Used

CSSJSONJavaScriptMarkdownSCSSTypeScriptYAMLMDX

Technical Skills

Build ToolsCSSComponent DevelopmentComponent Library DevelopmentComponent Library IntegrationDesign Systems

nl-design-system/terraform

Nov 2024 Oct 2025
10 Months active

Languages Used

HCLMarkdownTerraform

Technical Skills

DevOpsDocumentationGitHubGitHub APIGitHub ActionsGitHub Management

nl-design-system/candidate

Nov 2024 Oct 2025
4 Months active

Languages Used

JavaScriptMarkdownTypeScriptYAMLCSSHTMLJSONReact

Technical Skills

CI/CDCode CoverageCommunity CollaborationDocumentationFront-end DevelopmentGitHub Actions

nl-design-system/documentatie

Nov 2024 Oct 2025
8 Months active

Languages Used

CSSHTMLJavaScriptMarkdownTypeScriptYAMLJSXMDX

Technical Skills

AccessibilityBuild ManagementCSSDocumentationFront-end DevelopmentFrontend Development

nl-design-system/rijkshuisstijl-community

Dec 2024 Oct 2025
3 Months active

Languages Used

JSONJavaScriptTwigTypeScriptCSSReactMarkdownYAML

Technical Skills

Build ConfigurationComponent DevelopmentDocumentationFrontend DevelopmentJavaScriptStorybook

nl-design-system/tilburg

Nov 2024 Oct 2025
3 Months active

Languages Used

JSONCSSSCSSTypeScriptMarkdownYAML

Technical Skills

Build ToolsDependency ManagementCode OrganizationComponent RefactoringPackage ManagementReact Development

nl-design-system/gebruikersonderzoeken

Jul 2025 Sep 2025
2 Months active

Languages Used

YAMLCSS

Technical Skills

CI/CDGitHub ActionsCSSFront-end Development

nl-design-system/denhaag

Apr 2025 Apr 2025
1 Month active

Languages Used

CSSHTMLTypeScript

Technical Skills

CI/CDCSSFrontend DevelopmentGitHTMLTypeScript

Amsterdam/design-system

Nov 2024 Nov 2024
1 Month active

Languages Used

JavaScript

Technical Skills

Build ToolsConfiguration

nl-design-system/rvo

Oct 2025 Oct 2025
1 Month active

Languages Used

INIYAML

Technical Skills

CI/CDGitHub ActionsNPM PublishingOIDC

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