metabase/metabase
Jan 2026 – Apr 2026
4 Months active
Languages Used
JSONJavaScriptTypeScriptCSSClojureHTMLClojureScript
Technical Skills
JavaScriptReactTypeScriptconfiguration managementdata visualizationfront end development
Kevin Kelleher
PROFILE
Kevin Kelleher
Kevin Kelleher contributed to the metabase/metabase repository by building and refining features focused on data visualization, admin workflows, and metrics exploration. Over four months, he delivered enhancements such as dark mode chart theming, tabular data views, and robust metrics viewer UI, using JavaScript, TypeScript, and React. His work addressed performance optimization, type safety, and UI consistency, including migrating admin modules to TypeScript and improving chart rendering logic. By fixing critical bugs in pivot tables and parameter controls, Kevin improved reliability and reduced user friction. His engineering demonstrated depth in frontend development, test-driven workflows, and cross-functional collaboration for product quality.
Overall Statistics
Feature vs Bugs
63%Features
Repository Contributions
38Total
Bugs
7
Commits
38
Features
12
Lines of code
8,508
Activity Months4
Your Network
139 peopleSame Organization
@metabase.com42
Work History
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.
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
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.
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.
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.
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
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.
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.
Activity
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Quality Metrics
Correctness96.4%
Maintainability83.6%
Architecture83.6%
Performance84.2%
AI Usage23.2%
Skills & Technologies
Programming Languages
CSSClojureClojureScriptHTMLJSONJavaScriptTypeScript
Technical Skills
ClojureClojureScriptFront-end DevelopmentJavaScriptJavaScript frameworksReactReduxTypeScriptUI/UX designback end developmentbackend developmentchart visualizationcharting librariesconfiguration managementdata analysis
Repositories Contributed To
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