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Stefan Probst

PROFILE

Stefan Probst

Stefan Probst led the development and modernization of the DARIAH-ERIC/dariah-campus platform, delivering features that improved content management, API exposure, and editorial workflows. He engineered robust solutions for multilingual CMS integration, metadata enrichment, and persistent identifier handling, using technologies such as Next.js, TypeScript, and React. Stefan enhanced build performance and reliability through architectural refactoring, CI/CD pipeline improvements, and tooling updates, including Turbopack and VSCode configuration. His work addressed both user-facing and backend challenges, such as search UX, accessibility, and data validation, resulting in a maintainable, scalable codebase that supports internationalization, efficient content delivery, and streamlined contributor onboarding.

Overall Statistics

Feature vs Bugs

58%Features

Repository Contributions

167Total
Bugs
45
Commits
167
Features
63
Lines of code
221,709
Activity Months13

Work History

January 2026

4 Commits • 3 Features

Jan 1, 2026

2026-01 highlights: Delivered API data exposure, enhanced form actions, improved developer tooling, and fixed validation friction. Key outcomes: v2 API exposure for dariah-national-consortia, dynamic formAction support in React Spectrum, VSCode Prettier alignment, and a bug fix to make social fields optional in linter validation. These changes improve data retrieval, submission flows, code consistency, and developer productivity, with a foundation for future schema evolution.

December 2025

9 Commits • 3 Features

Dec 1, 2025

December 2025 (2025-12) monthly work summary for DARIAH-ERIC/dariah-campus. Focused on improving Markdown processing reliability, modernizing dependencies, and accelerating build times. Delivered concrete features, addressed critical rendering edge-cases, and strengthened the developer experience through tooling improvements and performance optimizations.

November 2025

14 Commits • 8 Features

Nov 1, 2025

Month: 2025-11 — DARIAH Campus: Platform modernization, feature enrichments, and stability improvements across the codebase and delivery pipelines. Core upgrades and workflow enhancements were delivered to improve performance, developer experience, and business value. Highlights include upgrading the core stack to Next.js 16 with Node.js 24, expanding social sharing options, refining editorial workflows, and enhancing diagram, mailto, and code block features. Performance optimizations and robust test/build tooling further stabilized releases and documentation.

October 2025

22 Commits • 11 Features

Oct 1, 2025

Month: 2025-10 recap: Delivered critical features and reliability improvements across DARIAH-ERIC/dariah-campus and vercel/next.js. Emphasis on triage efficiency, data quality, documentation, and developer experience. Highlights include UI enhancements, metadata enrichment, API-docs improvements, and broader read-from-GitHub-API in preview mode, plus template hardening for Next.js.

September 2025

7 Commits • 3 Features

Sep 1, 2025

September 2025 (2025-09) — DARIAH-ERIC/dariah-campus: Delivered key UX/UI enhancements, API enhancements with documentation, and reliability-focused tooling to improve user experience, API adoption, and development velocity.

August 2025

40 Commits • 12 Features

Aug 1, 2025

August 2025 focused on stabilizing the content platform while accelerating build times and refining content preview and rendering in DARIAH-ERIC/dariah-campus. Delivered a performance-oriented content pipeline, introduced CMS preview links, and completed reliability fixes and UI polish to improve content fidelity and user experience. Architectural refinements and mermaid support advanced developer experience and content richness.

June 2025

1 Commits

Jun 1, 2025

June 2025 focused on correctness and user experience within the resource proposal workflow for DARIAH-ERIC/dariah-campus. Delivered a precise documentation link fix to ensure users are directed to the correct issue template when proposing new resources, reducing submission errors and support queries. This change was implemented in a single commit and aligns with the project’s documentation QA standards and git best practices.

May 2025

8 Commits • 4 Features

May 1, 2025

May 2025 monthly summary for two repositories: adobe/react-spectrum and DARIAH-ERIC/dariah-campus. Delivered a mix of features that enhance authoring workflows, content linking accuracy, and rendering capabilities, along with targeted fixes that improve type safety and developer experience. Highlights include expanded link widget capabilities, CMS usability improvements, Mermaid diagram rendering in MDX, and refined GitHub issue templates. A key engineering achievement was tightening plugin type safety in the Locales optimization workflow to reduce runtime errors and misusage.

April 2025

14 Commits • 5 Features

Apr 1, 2025

Monthly summary for 2025-04: DARIAH-ERIC/dariah-campus focused on delivering impactful features, stabilizing the metadata and deployment pipelines, and improving contributor governance. The month produced several user-facing content enhancements, improved data identifiers, and reinforced CI/CD reliability—driving business value through better content linking, data integrity, and smoother deployments.

March 2025

12 Commits • 3 Features

Mar 1, 2025

March 2025 deliverables for DARIAH-ERIC/dariah-campus focused on enhancing resource discoverability, citation reliability, and editor workflows, while preserving backward compatibility and stability. Key outcomes include PID/DOI integration across resources, improved resource editing via CMS links, and UI/routing improvements that streamline navigation and maintain legacy redirects. A critical bug fix restored downloads on the grundlagen-datenmanagement page.

February 2025

20 Commits • 6 Features

Feb 1, 2025

February 2025: Delivered cross-repo features and improvements across vercel/next.js and DARIAH-ERIC/dariah-campus focused on flexible UI rendering, CMS modernization, search UX, and CI/docs quality. Key outcomes include a type-enabled Dynamic Import loading option, Keystatic CMS rollout with modern tech stack and internationalization groundwork, environment-based service control, and improved search and documentation with accessibility considerations and mobile usability enhancements. The work delivers business value through better user experiences, faster deployment, and easier maintenance.

January 2025

11 Commits • 3 Features

Jan 1, 2025

January 2025 (DARIAH-ERIC/dariah-campus) - Focused on reliability, content quality, and maintainability to deliver measurable business value across user-facing content, analytics, and events. Key features delivered: - Local Asset Hosting for Images and Avatars: migrated event/profile images to local references; added a local logo and a Joe Raad avatar for reliability and faster load times. - ATR Documentation and Figure Component Enhancements: refactored ATR layout analysis, improved learning outcomes presentation, introduced a new Figure component for images, and clarified text segmentation and formats (ALTO/PAGE). - Event Content Updates: expanded event details to include additional speakers for accurate participant representation. Major bugs fixed: - CreateRedirects Race Condition Bug Fix: fixed asynchronous handling to await file writing and JSON formatting, preventing race conditions and incomplete file generation. - Matomo Tracker URL Construction Fix: ensured correct construction of tracker URLs when base URL lacks a trailing slash by adding necessary forward slashes. - Content Correctness: YAML indentation and Unicode avatar filename fixes to ensure metadata accuracy. - Content Organization and Formatting Cleanups: file renames and formatting improvements for readability and maintainability. Overall impact and accomplishments: - Increased reliability of redirects and analytics integration; improved data integrity for event content and assets; faster user-facing page loads due to local assets; streamlined content maintenance through targeted cleanups and componentization. - Strengthened code quality with improved documentation and consistent formatting, reducing onboarding time for new contributors. Technologies/skills demonstrated: - Async programming and robust file I/O, error handling for promises. - Asset management strategy with local asset hosting. - YAML/Markdown content correctness and Unicode-safe metadata handling. - Content modularization and componentization (Figure component) for scalable UI/content rendering. - Documentation, testing considerations, and maintainability practices.

December 2024

5 Commits • 2 Features

Dec 1, 2024

December 2024 monthly summary for DARIAH-ERIC/dariah-campus: Focused on expanding international reach through CMS localization and confidence in content data; improved analytics capabilities via Matomo integration; and strengthened content reliability through metadata fixes.

Activity

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Quality Metrics

Correctness93.8%
Maintainability93.8%
Architecture90.8%
Performance90.8%
AI Usage20.6%

Skills & Technologies

Programming Languages

CSSHTMLJSONJavaScriptMDXMarkdownSVGShellTypeScriptYAML

Technical Skills

API DevelopmentAPI DocumentationAPI IntegrationAccessibilityAccessibility TestingAlgolia InstantSearchAnalytics IntegrationAsset ManagementBackend DevelopmentBuild OptimizationBuild ProcessBuild Process OptimizationBuild ScriptsBuild Tool ConfigurationBuild Tools

Repositories Contributed To

3 repos

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

DARIAH-ERIC/dariah-campus

Dec 2024 Jan 2026
13 Months active

Languages Used

JavaScriptMarkdownTypeScriptYAMLCSSHTMLJSONMDX

Technical Skills

Analytics IntegrationCMS DevelopmentContent ManagementFrontend DevelopmentInternationalizationNext.js

vercel/next.js

Feb 2025 Oct 2025
2 Months active

Languages Used

JavaScriptTypeScript

Technical Skills

Front End DevelopmentReactTypeScriptBuild ToolsConfigurationFrontend Development

adobe/react-spectrum

May 2025 Jan 2026
2 Months active

Languages Used

TypeScript

Technical Skills

Plugin DevelopmentTypeScriptReactfront end development

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