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Joris Leker

PROFILE

Joris Leker

Worked on the kiesraad/abacus repository to deliver six user-facing documentation and UI/UX improvements over six months, focusing on usability and clarity in the data-entry workflow. Leveraged Markdown for technical writing, usability testing analysis, and user feedback analysis to document observed issues, propose actionable improvements, and standardize validation and error messaging. Updated terminology and formatting to align with evolving workflows and design assets, ensuring documentation remained clear and accessible for both developers and stakeholders. Integrated Figma design references into project documentation to reduce ambiguity in UI implementation, supporting maintainable onboarding and consistent user experience across the Abacus system’s evolving requirements.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

7Total
Bugs
0
Commits
7
Features
6
Lines of code
1,038
Activity Months6

Work History

December 2025

1 Commits • 1 Features

Dec 1, 2025

December 2025 monthly summary for kiesraad/abacus focused on aligning UI design references with the latest design assets. Delivered a targeted UI design reference update to point README and docs to the most recent Figma designs, improving design-to-implementation fidelity and reducing handoff friction. No major bugs were reported or fixed for this repo this month.

August 2025

2 Commits • 1 Features

Aug 1, 2025

August 2025 monthly summary for kiesraad/abacus focusing on UX-led validation and DSO messaging enhancements. The work centralized user-facing guidance, standardized error messaging, and documented rules to reduce user confusion and support load. The effort aligns with DSO workflows for Invoerder/Coördinator roles and establishes a clear, maintainable messaging framework.

July 2025

1 Commits • 1 Features

Jul 1, 2025

Month 2025-07: Focused on improving user-facing documentation quality in Kiesraad's Abacus repo. Delivered a formatting enhancement for the gsb-tweede-zitting Use Case to improve readability and presentation of the use case description, via a traceable commit. No major bugs fixed in this scope. Overall impact: clearer, more maintainable docs that reduce onboarding time for contributors and clarify requirements for stakeholders. Demonstrated strong documentation standards, Markdown formatting, and effective Git-based change management.

February 2025

1 Commits • 1 Features

Feb 1, 2025

February 2025 monthly summary focusing on documentation alignment for the authorization matrix terminology. Delivered a precise terminology update reflecting CSB session naming in the authorization matrix docs; no code changes were required. Committed for traceability under the repository kiesraad/abacus.

November 2024

1 Commits • 1 Features

Nov 1, 2024

November 2024 monthly summary for Kiesraad/abacus focused on strengthening data-entry usability through documentation updates driven by usability testing. Key work centered on documenting findings from the November 19 usability test and capturing actionable resolutions to improve data input clarity and user experience. No major code changes were released this month; instead, the documentation enhancements provide a foundation for reduced data-entry errors, smoother onboarding, and easier support. Impact includes clearer user guidance, reduced friction in data-entry tasks, and alignment with product quality and customer experience goals. Skills demonstrated include usability testing, documentation best practices, Git traceability (commit referenced), and cross-functional collaboration with QA/UX.

October 2024

1 Commits • 1 Features

Oct 1, 2024

Month 2024-10 — Kiesraad/abacus: Delivered a centralized usability testing document for the Abacus data-entry workflow, capturing observed issues across login, paper form handling, stembureau selection, and data input steps, with concrete improvement suggestions. The work includes the single commit that creates the 20241025-bevindingen.md file (commit hash: 23e8cc3af860cc1ddcc867be62abbc43b3339e42).

Activity

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Quality Metrics

Correctness91.4%
Maintainability88.6%
Architecture82.8%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

Markdown

Technical Skills

DocumentationTechnical WritingUI/UX designUsability TestingUsability Testing AnalysisUser Feedback Analysisdocumentation

Repositories Contributed To

1 repo

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

kiesraad/abacus

Oct 2024 Dec 2025
6 Months active

Languages Used

Markdown

Technical Skills

DocumentationUsability TestingUser Feedback AnalysisUsability Testing AnalysisTechnical WritingUI/UX design