metabase/metabase
Jan 2026 – Jul 2026
7 Months active
Languages Used
JSONJavaScriptTypeScriptCSSClojureHTMLClojureScriptYAML
Technical Skills
JavaScriptReactTypeScriptconfiguration managementdata visualizationfront end development
Kevin Kelleher
PROFILE
Kevin Kelleher
Contributed to the metabase/metabase repository over seven months, delivering 16 features and resolving 10 bugs focused on data visualization, UI/UX, and platform reliability. Built enhancements such as dark mode theming, chart performance optimizations, and metrics exploration improvements using React, TypeScript, and Clojure. Addressed issues in chart rendering, admin workflows, and automation reliability, applying test-driven development and robust configuration management. Upgraded analytics schemas and improved governance controls, ensuring accurate data representation and streamlined onboarding. Collaborated across front-end and back-end code, emphasizing maintainability, type safety, and user experience, resulting in faster dashboards, reduced support overhead, and more reliable analytics workflows.
Overall Statistics
Feature vs Bugs
62%Features
Repository Contributions
48Total
Bugs
10
Commits
48
Features
16
Lines of code
11,895
Activity Months7
Your Network
148 peopleSame Organization
@metabase.com45
Work History
July 2026
2 Commits • 1 Features
Jul 1, 2026July 2026 monthly summary for metabase/metabase: Two key items delivered with measurable business value: (1) bug fix for Tooltip Date Range Accuracy in native queries with related test cleanup; (2) admin-controlled Transform enable/disable toggle in Data Studio to improve governance and customization. Impact: improved UI data accuracy, governance, and reduced maintenance burden. Technologies demonstrated include UI/UX accuracy improvements, test/CI maintenance, feature flags, and governance controls.
2 Commits • 1 Features
Jul 1, 2026July 2026 monthly summary for metabase/metabase: Two key items delivered with measurable business value: (1) bug fix for Tooltip Date Range Accuracy in native queries with related test cleanup; (2) admin-controlled Transform enable/disable toggle in Data Studio to improve governance and customization. Impact: improved UI data accuracy, governance, and reduced maintenance burden. Technologies demonstrated include UI/UX accuracy improvements, test/CI maintenance, feature flags, and governance controls.
July 2026
June 2026
6 Commits • 2 Features
Jun 1, 2026In June 2026 (repository: metabase/metabase), delivered key features to enhance automation reliability and data visualization performance, fixed rendering and layout issues, and strengthened testing. Business impact includes more reliable Loki automation, faster visualizations, and more stable dashboards, enabling quicker decision-making and improved user experience for end users and developers.
June 2026
6 Commits • 2 Features
Jun 1, 2026In June 2026 (repository: metabase/metabase), delivered key features to enhance automation reliability and data visualization performance, fixed rendering and layout issues, and strengthened testing. Business impact includes more reliable Loki automation, faster visualizations, and more stable dashboards, enabling quicker decision-making and improved user experience for end users and developers.
May 2026
2 Commits • 1 Features
May 1, 2026May 2026 monthly summary for metabase/metabase focusing on analytics schema improvement and UI reliability enhancements. Delivered a Snowplow search schema upgrade with new entities and removed outdated version, and fixed a tooltip race condition in stacked timeline visualizations to improve data visibility and user experience across dashboards.
2 Commits • 1 Features
May 1, 2026May 2026 monthly summary for metabase/metabase focusing on analytics schema improvement and UI reliability enhancements. Delivered a Snowplow search schema upgrade with new entities and removed outdated version, and fixed a tooltip race condition in stacked timeline visualizations to improve data visibility and user experience across dashboards.
May 2026
April 2026
6 Commits • 1 Features
Apr 1, 2026April 2026 monthly performance summary for metabase/metabase focused on metrics exploration improvements and reliability: - Delivered Metrics Viewer UI/UX Enhancements: consistent breakout colors with dimension filters, improved axis label readability, updated terminology from 'Preview' to 'Explore', new URL generator for exploring measures, and overall design polish. Implemented via commits 2e71a55212fda8f0b2c94001b323f0052d0e596d; 027a2bede14bb3a6c58e831d6c30e903bd32c9b6; bbc6ca6a040c500eceb1eb44fbaf16d8723f0fd9; fd2a3e07052d7a06d0e211d08baa73c76fb2f6b2. - Fixed No compatible dimensions error in Metrics Viewer: resolved error when manipulating metric expressions, added tests, and refined handling of metric identities and dimensions to improve reliability. (commit 00497ab9f44276edfa35eb58efff5e29538eeb4f). - Fixed duplication of dimensions in tab picker and corrected multi-dimension label: updated dimension selection logic, reduced UI duplication, and expanded tests. (commit 6637fff38f68fc95b837e3084acc9d7a700c78a1). - Overall impact: improved exploration experience, fewer user-facing errors, and more reliable metric authoring workflows; reduced onboarding friction and support tickets related to metrics troubleshooting. - Technologies/skills demonstrated: frontend UI/UX polish, metrics exploration design, test-driven development and expanded test coverage, regression risk mitigation, and cross-functional collaboration to align terminology and UX with product goals.
April 2026
6 Commits • 1 Features
Apr 1, 2026April 2026 monthly performance summary for metabase/metabase focused on metrics exploration improvements and reliability: - Delivered Metrics Viewer UI/UX Enhancements: consistent breakout colors with dimension filters, improved axis label readability, updated terminology from 'Preview' to 'Explore', new URL generator for exploring measures, and overall design polish. Implemented via commits 2e71a55212fda8f0b2c94001b323f0052d0e596d; 027a2bede14bb3a6c58e831d6c30e903bd32c9b6; bbc6ca6a040c500eceb1eb44fbaf16d8723f0fd9; fd2a3e07052d7a06d0e211d08baa73c76fb2f6b2. - Fixed No compatible dimensions error in Metrics Viewer: resolved error when manipulating metric expressions, added tests, and refined handling of metric identities and dimensions to improve reliability. (commit 00497ab9f44276edfa35eb58efff5e29538eeb4f). - Fixed duplication of dimensions in tab picker and corrected multi-dimension label: updated dimension selection logic, reduced UI duplication, and expanded tests. (commit 6637fff38f68fc95b837e3084acc9d7a700c78a1). - Overall impact: improved exploration experience, fewer user-facing errors, and more reliable metric authoring workflows; reduced onboarding friction and support tickets related to metrics troubleshooting. - Technologies/skills demonstrated: frontend UI/UX polish, metrics exploration design, test-driven development and expanded test coverage, regression risk mitigation, and cross-functional collaboration to align terminology and UX with product goals.
March 2026
14 Commits • 3 Features
Mar 1, 2026March 2026 monthly summary for Metabase. Focused on delivering high-value platform improvements across admin UX, data pivoting reliability, visualizations, and metrics workflows. Emphasis on business value through stronger type safety, data integrity, and robust user experience, enabling faster feature delivery and reduced risk of UI/runtime errors.
14 Commits • 3 Features
Mar 1, 2026March 2026 monthly summary for Metabase. Focused on delivering high-value platform improvements across admin UX, data pivoting reliability, visualizations, and metrics workflows. Emphasis on business value through stronger type safety, data integrity, and robust user experience, enabling faster feature delivery and reduced risk of UI/runtime errors.
March 2026
February 2026
8 Commits • 3 Features
Feb 1, 2026February 2026: Delivered enhancements to visualization and UX across the Metabase platform with tangible business value. Key features include a new tabular view for Visualizer, trend lines and per-series configuration, improved color handling; email UI improvements with dark mode readability; and system timezone visibility for authenticated users. Fixed critical UX bugs including empty tooltips and an infinite dropdown hang in conditional formatting. The work improved data accuracy, adoption, and usability, demonstrated proficiency in frontend visualization, UX accessibility, and cross-client rendering, and strengthened the product's reliability.
February 2026
8 Commits • 3 Features
Feb 1, 2026February 2026: Delivered enhancements to visualization and UX across the Metabase platform with tangible business value. Key features include a new tabular view for Visualizer, trend lines and per-series configuration, improved color handling; email UI improvements with dark mode readability; and system timezone visibility for authenticated users. Fixed critical UX bugs including empty tooltips and an infinite dropdown hang in conditional formatting. The work improved data accuracy, adoption, and usability, demonstrated proficiency in frontend visualization, UX accessibility, and cross-client rendering, and strengthened the product's reliability.
January 2026
10 Commits • 5 Features
Jan 1, 2026During 2026-01, the metabase/metabase project delivered a set of frontend enhancements and stability fixes with measurable business impact. Notable changes focused on UI consistency, performance, and navigation, reinforced by targeted tests to improve reliability. Key achievements (top 5): - Dark mode and chart theming improvements implemented; improved readability and theme-based colors across tooltips and charts. - FunnelChart performance optimization; bundle-size reduction and relocation of utilities to improve load performance. - URL routing and navigation improvements; precise navigation for actions and segments to enable reliable deep links. - Admin onboarding and UI restructuring; streamlined admin navigation with Slack mapping, and reorganization of tenant management under the people section. - Funnel Chart correctness fix; corrected height calculations based on maximum measures and added unit tests. Major bugs fixed: - Funnel Chart height calculations corrected and unit tests added to prevent regressions. - ParameterValueWidget multi-parameter UX bug fix; closed first parameter when a second opens and added tests for ParametersList. Technologies/skills demonstrated: - Frontend theming, charting customization, and responsive UI in dark mode. - Performance-oriented refactoring and bundle-size optimization. - Unit testing and test coverage for data visualization components and parameter UI. - Improved navigation, routing, and admin UX; integration with team mapping (Slack) and OSS UI simplifications. Overall impact and business value: - Faster, more reliable charts and dashboards with consistent theming across modes. - Reduced initial load times due to reduced bundle size and better code organization. - Improved admin workflows and onboarding clarity, leading to faster adoption and fewer friction points for admins and data teams. - Increased robustness of funnel visuals and parameter controls, reducing user confusion and support overhead.
10 Commits • 5 Features
Jan 1, 2026During 2026-01, the metabase/metabase project delivered a set of frontend enhancements and stability fixes with measurable business impact. Notable changes focused on UI consistency, performance, and navigation, reinforced by targeted tests to improve reliability. Key achievements (top 5): - Dark mode and chart theming improvements implemented; improved readability and theme-based colors across tooltips and charts. - FunnelChart performance optimization; bundle-size reduction and relocation of utilities to improve load performance. - URL routing and navigation improvements; precise navigation for actions and segments to enable reliable deep links. - Admin onboarding and UI restructuring; streamlined admin navigation with Slack mapping, and reorganization of tenant management under the people section. - Funnel Chart correctness fix; corrected height calculations based on maximum measures and added unit tests. Major bugs fixed: - Funnel Chart height calculations corrected and unit tests added to prevent regressions. - ParameterValueWidget multi-parameter UX bug fix; closed first parameter when a second opens and added tests for ParametersList. Technologies/skills demonstrated: - Frontend theming, charting customization, and responsive UI in dark mode. - Performance-oriented refactoring and bundle-size optimization. - Unit testing and test coverage for data visualization components and parameter UI. - Improved navigation, routing, and admin UX; integration with team mapping (Slack) and OSS UI simplifications. Overall impact and business value: - Faster, more reliable charts and dashboards with consistent theming across modes. - Reduced initial load times due to reduced bundle size and better code organization. - Improved admin workflows and onboarding clarity, leading to faster adoption and fewer friction points for admins and data teams. - Increased robustness of funnel visuals and parameter controls, reducing user confusion and support overhead.
January 2026
Activity
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Quality Metrics
Correctness95.4%
Maintainability83.4%
Architecture83.8%
Performance83.8%
AI Usage24.2%
Skills & Technologies
Programming Languages
CSSClojureClojureScriptHTMLJSONJavaScriptTypeScriptYAML
Technical Skills
AutomationCI/CDClojureClojureScriptDevOpsFront-end DevelopmentJSON schemaJavaScriptJavaScript frameworksNode.jsReactReduxTypeScriptUI/UX designback end development
Repositories Contributed To
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