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Joshua Heyer

PROFILE

Joshua Heyer

Joshua Heyer enhanced the google/earthengine-catalog repository by developing and maintaining data catalog entries for large-scale geospatial datasets, focusing on lifecycle management, metadata quality, and discoverability. He delivered end-to-end publishing pipelines for LCMS and USFS NLCD Tree Canopy Cover datasets, integrating new releases and refining metadata to improve searchability and user experience. Using JSON, Jsonnet, and JavaScript, Joshua implemented configuration management and automated data publishing workflows, ensuring accurate versioning and streamlined dataset activation. His work addressed catalog consistency, deprecated outdated entries, and stabilized publishing processes, demonstrating depth in geospatial data management and a methodical approach to catalog engineering challenges.

Overall Statistics

Feature vs Bugs

90%Features

Repository Contributions

48Total
Bugs
1
Commits
48
Features
9
Lines of code
4,179
Activity Months4

Work History

May 2026

24 Commits • 4 Features

May 1, 2026

May 2026 monthly summary for google/earthengine-catalog focused on end-to-end LCMS v2025-11 data publishing to the Google Earth Engine (GEE) Publisher Catalog, dataset activation, and metadata management. The work delivered multiple features across the LCMS v2025-11 release while stabilizing the publishing pipeline and improving data discoverability.

May 2025

7 Commits • 2 Features

May 1, 2025

May 2025 monthly work summary for google/earthengine-catalog focused on USFS NLCD TCC catalog enhancements, metadata corrections, and cleanup. Key efforts included creating a catalog entry for the USGS NLCD TCC product, updating metadata with beta status and fields (gee:status, version), refining v2023.5 catalog metadata to remove outdated tags and fix field names, and removing obsolete JSONNet metadata to avoid confusion. These actions improve data discoverability, release readiness, and catalog consistency for NLCD TCC data products, aligned with LCMS v2024.10 data release.

April 2025

15 Commits • 2 Features

Apr 1, 2025

April 2025 monthly summary for google/earthengine-catalog focused on data catalog releases and lifecycle improvements. Delivered two major updates: LCMS v2024.10 data release with enriched metadata, visualization examples, and updated catalog configuration; and USFS NLCD Tree Canopy Cover v2023.5 integration with the main catalog, including metadata adjustments and removal of deprecated entries. These releases were implemented through 15 commits across the two features, driving better data discoverability and end-user access while reducing ongoing maintenance through deprecation and lifecycle management.

December 2024

2 Commits • 1 Features

Dec 1, 2024

December 2024 monthly summary for google/earthengine-catalog: Focused on metadata quality and discoverability enhancements for LCMS datasets to improve user experience and catalog accuracy. Overall, the month delivered a tangible uplift in data discoverability and usability, enabling faster & more accurate data discovery for users across Landsat- and Sentinel-derived LCMS datasets.

Activity

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Quality Metrics

Correctness98.4%
Maintainability98.4%
Architecture98.4%
Performance98.8%
AI Usage20.0%

Skills & Technologies

Programming Languages

JSONJSONNETJSONNetJSONnetJavaScriptJsonnetLibsonnetjsonnet

Technical Skills

Data Catalog ManagementData CatalogingDocumentationEarth EngineGeospatial DataGeospatial Data ManagementGoogle Earth EngineJSON configurationJSON manipulationJSONNETJavaScriptMetadata ManagementRemote SensingVersion Controlcatalog management

Repositories Contributed To

1 repo

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

google/earthengine-catalog

Dec 2024 May 2026
4 Months active

Languages Used

JSONNETJsonnetJSONJSONNetJavaScriptLibsonnetjsonnetJSONnet

Technical Skills

Data CatalogingMetadata ManagementData Catalog ManagementDocumentationEarth EngineGeospatial Data