mozilla/looker-spoke-default
Oct 2024 – Oct 2025
11 Months active
Languages Used
LookMLLKMLSQLlookml
Technical Skills
Business IntelligenceConfigurationData ModelingLookerData EngineeringData Warehousing
Katie Windau
PROFILE
Katie Windau
Kevin Windau developed and maintained advanced analytics and data modeling capabilities for the mozilla/looker-spoke-default repository, focusing on business intelligence and data quality. Over 11 months, he delivered features such as cohort churn analysis, desktop engagement metrics, and GA4 blog performance reporting, using LookML and SQL to build scalable, maintainable Looker explores and views. His work emphasized code cleanup, configuration, and harmonization across multiple data sources, improving dashboard reliability and performance. By implementing caching, refactoring, and rigorous data governance, Kevin enabled more actionable insights for stakeholders while reducing technical debt and ensuring consistent, accurate reporting across the analytics platform.
Overall Statistics
Feature vs Bugs
91%Features
Repository Contributions
75Total
Bugs
2
Commits
75
Features
21
Lines of code
4,214
Activity Months11
Your Network
383 people
Work History
October 2025
5 Commits • 1 Features
Oct 1, 2025In October 2025, delivered GA4 Blog Performance metrics in Looker and improved data quality through formatting and naming consistency fixes. Completed LookML work to expose blog performance data via a dedicated view and related measures/explore, with refined naming and formatting across the repository. These changes provide stakeholders with actionable insights into blog engagement and performance.
5 Commits • 1 Features
Oct 1, 2025In October 2025, delivered GA4 Blog Performance metrics in Looker and improved data quality through formatting and naming consistency fixes. Completed LookML work to expose blog performance data via a dedicated view and related measures/explore, with refined naming and formatting across the repository. These changes provide stakeholders with actionable insights into blog engagement and performance.
October 2025
September 2025
7 Commits • 1 Features
Sep 1, 2025September 2025: Focused cleanup and simplification of the Looker model in mozilla/looker-spoke-default to reduce maintenance burden and improve reliability. The work targeted deprecated and unused explores, tightened the loading scope, and eliminated unnecessary includes to prevent unintended explorations. All changes align with governance and performance goals while preserving data correctness and accessibility for analytics teams.
September 2025
7 Commits • 1 Features
Sep 1, 2025September 2025: Focused cleanup and simplification of the Looker model in mozilla/looker-spoke-default to reduce maintenance burden and improve reliability. The work targeted deprecated and unused explores, tightened the loading scope, and eliminated unnecessary includes to prevent unintended explorations. All changes align with governance and performance goals while preserving data correctness and accessibility for analytics teams.
August 2025
24 Commits • 6 Features
Aug 1, 2025August 2025 performance: Delivered broad cross-platform LookML cleanup for mozilla/looker-spoke-default with a focus on reducing technical debt, improving data quality, and enabling more reliable dashboards. Key work spanned Firefox Desktop and firefox_desktop models, Firefox iOS, Android/Fenix, and the user_journey model, aligning with governance and performance goals.
24 Commits • 6 Features
Aug 1, 2025August 2025 performance: Delivered broad cross-platform LookML cleanup for mozilla/looker-spoke-default with a focus on reducing technical debt, improving data quality, and enabling more reliable dashboards. Key work spanned Firefox Desktop and firefox_desktop models, Firefox iOS, Android/Fenix, and the user_journey model, aligning with governance and performance goals.
August 2025
July 2025
6 Commits • 1 Features
Jul 1, 2025July 2025 — mozilla/looker-spoke-default: Delivered a foundational cohort churn analytics capability and cleaned up deprecated data paths to improve reliability and maintainability. Key features delivered: - Cohort churn analysis: Implemented cohort_churn Looker explore and view to analyze client return rates over time after initial engagement; enabled multi-time-based retention metrics; fixed cohort_date filtering for accurate results. Major bugs fixed: - Cleanup of deprecated Pocket feature and dashboards: Removed Pocket-related LookML components, deprecated dashboards and references to outdated data sources; updated activity_stream.model.lkml to exclude deprecated dashboards. Overall impact and accomplishments: - Provided actionable retention insights and a more reliable analytics surface for client onboarding and engagement decisions; reduced technical debt by removing legacy data paths and dashboards. Technologies/skills demonstrated: - Looker LookML development (views, explores, filtering) - Data modeling for cohort analysis - Codebase cleanup, deprecation handling, and governance practices
July 2025
6 Commits • 1 Features
Jul 1, 2025July 2025 — mozilla/looker-spoke-default: Delivered a foundational cohort churn analytics capability and cleaned up deprecated data paths to improve reliability and maintainability. Key features delivered: - Cohort churn analysis: Implemented cohort_churn Looker explore and view to analyze client return rates over time after initial engagement; enabled multi-time-based retention metrics; fixed cohort_date filtering for accurate results. Major bugs fixed: - Cleanup of deprecated Pocket feature and dashboards: Removed Pocket-related LookML components, deprecated dashboards and references to outdated data sources; updated activity_stream.model.lkml to exclude deprecated dashboards. Overall impact and accomplishments: - Provided actionable retention insights and a more reliable analytics surface for client onboarding and engagement decisions; reduced technical debt by removing legacy data paths and dashboards. Technologies/skills demonstrated: - Looker LookML development (views, explores, filtering) - Data modeling for cohort analysis - Codebase cleanup, deprecation handling, and governance practices
June 2025
5 Commits • 3 Features
Jun 1, 2025June 2025 performance summary for mozilla/looker-spoke-default: Delivered expanded desktop analytics capabilities and UI refinements to enable deeper product insights and faster decision-making. Key features include LookML-based desktop engagement and retention analytics with moving averages, desktop-specific filters, country joins, and new measures for client counts and retention rates, plus attribution dimensions; also added glean_desktop_new_profiles analytics with moving averages and YoY date comparisons. Minor data-label fix and UI simplification completed to improve data quality and reduce clutter. Overall impact: broader visibility into desktop engagement and retention, improved data quality, and faster analytics workflows.
5 Commits • 3 Features
Jun 1, 2025June 2025 performance summary for mozilla/looker-spoke-default: Delivered expanded desktop analytics capabilities and UI refinements to enable deeper product insights and faster decision-making. Key features include LookML-based desktop engagement and retention analytics with moving averages, desktop-specific filters, country joins, and new measures for client counts and retention rates, plus attribution dimensions; also added glean_desktop_new_profiles analytics with moving averages and YoY date comparisons. Minor data-label fix and UI simplification completed to improve data quality and reduce clutter. Overall impact: broader visibility into desktop engagement and retention, improved data quality, and faster analytics workflows.
June 2025
May 2025
5 Commits • 1 Features
May 1, 2025Month: 2025-05 – Summary of work in mozilla/looker-spoke-default focusing on delivering a new business analytics capability for granular active-user analysis, coupled with performance improvements and data-model hygiene.
May 2025
5 Commits • 1 Features
May 1, 2025Month: 2025-05 – Summary of work in mozilla/looker-spoke-default focusing on delivering a new business analytics capability for granular active-user analysis, coupled with performance improvements and data-model hygiene.
April 2025
4 Commits • 1 Features
Apr 1, 2025Monthly summary for 2025-04 focused on delivered LookML data modeling enhancements for the mozilla/looker-spoke-default repository, including new views and external explores, data harmonization, and targeted bug fixes that enable reliable cross-source analytics and faster insights.
4 Commits • 1 Features
Apr 1, 2025Monthly summary for 2025-04 focused on delivered LookML data modeling enhancements for the mozilla/looker-spoke-default repository, including new views and external explores, data harmonization, and targeted bug fixes that enable reliable cross-source analytics and faster insights.
April 2025
March 2025
8 Commits • 3 Features
Mar 1, 2025March 2025 (2025-03) monthly summary for mozilla/looker-spoke-default. Delivered core analytics enhancements and namespace hygiene to improve retention visibility and reduce maintenance overhead. Key features went live in the Looker model, with targeted fixes to ensure metric accuracy and streamlined configurations that support business decision-making and dashboards.
March 2025
8 Commits • 3 Features
Mar 1, 2025March 2025 (2025-03) monthly summary for mozilla/looker-spoke-default. Delivered core analytics enhancements and namespace hygiene to improve retention visibility and reduce maintenance overhead. Key features went live in the Looker model, with targeted fixes to ensure metric accuracy and streamlined configurations that support business decision-making and dashboards.
February 2025
6 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for mozilla/looker-spoke-default focused on delivering a scalable BigQuery storage analytics capability and stabilizing LookML explorations for storage metrics. Implemented a new LookML exploration for BigQuery table storage with trend monitoring, including creation/naming of explores, storage-trend views, and measures to track storage usage (rows, partitions, bytes) across time windows, with units normalized to GB. Fixed formatting issues in the explore and updated measures to ensure GB reporting, improving consistency and accuracy across dashboards.
6 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for mozilla/looker-spoke-default focused on delivering a scalable BigQuery storage analytics capability and stabilizing LookML explorations for storage metrics. Implemented a new LookML exploration for BigQuery table storage with trend monitoring, including creation/naming of explores, storage-trend views, and measures to track storage usage (rows, partitions, bytes) across time windows, with units normalized to GB. Fixed formatting issues in the explore and updated measures to ensure GB reporting, improving consistency and accuracy across dashboards.
February 2025
January 2025
1 Commits • 1 Features
Jan 1, 2025Month: 2025-01 — Concise monthly summary for mozilla/looker-spoke-default focusing on feature delivery, impact, and technical execution.
January 2025
1 Commits • 1 Features
Jan 1, 2025Month: 2025-01 — Concise monthly summary for mozilla/looker-spoke-default focusing on feature delivery, impact, and technical execution.
October 2024
4 Commits • 2 Features
Oct 1, 2024October 2024 monthly summary for mozilla/looker-spoke-default focusing on metadata governance improvements through LookML enhancements. Delivered a new metadata_completeness view and a complementary exploration framework to monitor and summarize metadata completeness, with aliased views for clearer monitoring. Included an in-interface label for quick identification and a minor formatting fix to ensure newline termination. All work traced to DENG-5757 across multiple commits.
4 Commits • 2 Features
Oct 1, 2024October 2024 monthly summary for mozilla/looker-spoke-default focusing on metadata governance improvements through LookML enhancements. Delivered a new metadata_completeness view and a complementary exploration framework to monitor and summarize metadata completeness, with aliased views for clearer monitoring. Included an in-interface label for quick identification and a minor formatting fix to ensure newline termination. All work traced to DENG-5757 across multiple commits.
October 2024
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Quality Metrics
Correctness99.2%
Maintainability99.2%
Architecture98.6%
Performance99.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
LKMLLookMLSQLlookml
Technical Skills
Business IntelligenceCachingCode CleanupCode OrganizationConfigurationData AnalysisData EngineeringData ModelingData VisualizationData WarehousingETLLookMLLookML DevelopmentLookerLooker Development
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