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Thomas Zemp

PROFILE

Thomas Zemp

Tom contributed to the dhis2/ui, dhis2/user-profile-app, and dhis2/maintenance-app repositories, building features that enhanced data governance, user experience, and internationalization. He implemented dual-access sharing and permission safety in the sharing dialog, using React and TypeScript to improve granularity and prevent accidental lockouts. In the user-profile-app, Tom delivered modal-based email updates, robust password validation with regex, and feature toggling for phased rollouts, all while maintaining backward compatibility. He also standardized translation files and clarified internationalization for program indicators in maintenance-app, leveraging JavaScript and i18n best practices to ensure consistent, secure, and maintainable user-facing interfaces.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

12Total
Bugs
0
Commits
12
Features
8
Lines of code
3,945
Activity Months7

Work History

September 2025

2 Commits • 2 Features

Sep 1, 2025

September 2025: Delivered targeted product improvements with a focus on backward compatibility, localization accuracy, and cross-repo quality. Highlights include a server-version gated HEAD method toggle for PAT generation and a clarifying internationalization change for program indicator descriptions, improving user experience across multilingual deployments and ensuring safer feature rollout on DHIS2 v43+ servers.

August 2025

1 Commits • 1 Features

Aug 1, 2025

August 2025 monthly summary for the dhis2/user-profile-app focused on localization improvements. Implemented translation file cleanup and standardization, updated i18n metadata, and reorganized translation entries for HTTP methods to ensure consistency. These changes support better internationalization and reduce localization errors, with a clean commit showing adherence to conventional commits (commit: d652cf40e251ce111680ff779dbb7f7c69a079b3).

July 2025

2 Commits • 1 Features

Jul 1, 2025

2025-07: Focused on strengthening metadata permission safety in the dhis2/ui Sharing Dialog. Delivered a guard that prevents a user from revoking their own metadata write access when the preventUsersFromRemovingMetadataWriteAccess flag is enabled. The guard evaluates existing write access across user, group, and public permissions before allowing removal and surfaces an error if the action would disconnect the user from required metadata permissions. This work included a type-definition update to include the preventUsersFromRemovingMetadataWriteAccess flag in SharingDialogProps. Outcome: safer permission management, reduced risk of unintended lockouts, and improved UX with clear error messaging.

May 2025

1 Commits • 1 Features

May 1, 2025

May 2025 monthly summary for dhis2/maintenance-app focusing on delivering a Data Approval Levels Ordering feature that introduces ascending ordering in the UI. This was achieved by adding an ordering parameter to field overrides and updating the multi-select form to apply the order, resulting in a predictable, organized display for data approvals. The work aligns with governance and UX consistency goals and lays groundwork for future ordering refinements across related UI components.

February 2025

3 Commits • 1 Features

Feb 1, 2025

February 2025 monthly summary for dhis2/user-profile-app focused on security, UX improvements, and policy-driven validation. Delivered a consolidated User Profile Security and UX Enhancements, with targeted changes to reduce notification noise and strengthen account protection. Key updates include conditional Verify Email Warning displayed only on profile edit, stronger password validation synchronized with system settings via a dynamic-length regex, and a guard to prevent email changes when email-based 2FA is enabled, including translations and messaging to reinforce security. All changes are traceable to the following commits: 9f662b944c5ec37d78785bf0bd3664bf62d1a96b, f3102dc39d31d0fb14b9f3bae3b940bfd835323b, 73ba4d8e489485e535611851aa83c7b17c854ada.

January 2025

2 Commits • 1 Features

Jan 1, 2025

Monthly summary for 2025-01 highlighting key deliverables for the dhis2/user-profile-app with a focus on business value and technical achievement.

November 2024

1 Commits • 1 Features

Nov 1, 2024

2024-11 monthly summary: Delivered Data and Metadata Dual-Access Sharing in the dhis2/ui sharing dialog, updating the UI and underlying logic to support distinct access levels for data and metadata. This enhancement strengthens data governance and collaboration by enabling finer-grained permissions and reducing risk of unintended data exposure. The work is anchored by a focused commit and lays the foundation for future permission refinements, with no reported regressions in the feature area.

Activity

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Quality Metrics

Correctness90.8%
Maintainability90.0%
Architecture88.4%
Performance88.4%
AI Usage26.6%

Skills & Technologies

Programming Languages

CSSHTMLJSONJSXJavaScriptJavaScript (JSX)POTypeScriptproperties

Technical Skills

API IntegrationCode RefactoringComponent DevelopmentFeature TogglingFront End DevelopmentFront-end DevelopmentFrontend DevelopmentInternationalizationInternationalization (i18n)JavaScriptReactRegexTestingTypeScriptUI Development

Repositories Contributed To

3 repos

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

dhis2/user-profile-app

Jan 2025 Sep 2025
4 Months active

Languages Used

JavaScriptCSSHTMLPOJSX

Technical Skills

Front End DevelopmentFront-end DevelopmentJavaScriptReactUI/UX DevelopmentFrontend Development

dhis2/ui

Nov 2024 Jul 2025
2 Months active

Languages Used

JSONJavaScriptTypeScriptJavaScript (JSX)

Technical Skills

API IntegrationCode RefactoringComponent DevelopmentFrontend DevelopmentJavaScriptReact

dhis2/maintenance-app

May 2025 Sep 2025
2 Months active

Languages Used

JavaScriptproperties

Technical Skills

Front-end DevelopmentJavaScriptInternationalization

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