
Joris Leker developed and maintained user-facing documentation and usability testing analysis for the kiesraad/abacus repository, focusing on improving data-entry workflows and validation messaging. He authored Markdown-based documents that captured usability test findings, consolidated user feedback, and proposed actionable improvements to reduce data-entry errors and onboarding friction. Joris updated terminology and formatting to align with evolving product requirements, ensuring clarity and consistency for both contributors and stakeholders. His technical writing and usability testing skills supported cross-functional collaboration with QA and UX teams, while Git-based change management provided traceability. The work established a maintainable documentation framework that enhanced user guidance and support.

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.
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.
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.
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 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.
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 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.
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.
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).
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).
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