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Thomas Cherry

PROFILE

Thomas Cherry

Thomas Cherry contributed to the nasa/Common-Metadata-Repository by developing and enhancing backend features focused on API usability, caching reliability, and security. He implemented a command-line interface in Clojure and Java to expose geometry calculations, enabling external tool integration and reducing code duplication. Thomas improved KMS cache management and observability, modernized AWS SDK integrations, and upgraded dependencies to address vulnerabilities. His work included refining Elasticsearch indexing, enhancing API documentation, and introducing robust error handling and logging. Using Clojure, Python, and AWS SDK, Thomas delivered well-tested, maintainable solutions that improved system stability, search capabilities, and operational safety across evolving production environments.

Overall Statistics

Feature vs Bugs

69%Features

Repository Contributions

19Total
Bugs
5
Commits
19
Features
11
Lines of code
3,733
Activity Months7

Work History

September 2025

1 Commits • 1 Features

Sep 1, 2025

In September 2025, NASA Common Metadata Repository (CMR) delivered AWS SDK modernization and testcontainers compatibility to improve AWS service integration and test reliability. No critical bugs were reported this month. The changes establish a stronger foundation for cloud service interactions and testing, enabling faster validation of AWS API changes and safer deployments.

August 2025

3 Commits • 2 Features

Aug 1, 2025

Concise monthly summary for 2025-08 focusing on business value and technical achievements for nasa/Common-Metadata-Repository. Delivered enhancements in search capabilities, critical security fixes, and testing/tooling improvements that collectively improve discoverability, reliability, and security posture across the repository.

July 2025

2 Commits • 1 Features

Jul 1, 2025

July 2025: Delivered key API paging enhancements and KMS caching improvements for nasa/Common-Metadata-Repository, yielding clearer API usage, stronger cache reliability, and improved observability. The work focused on business value: streamlined paging for large results, easier client integration, and safer KMS caching with better diagnostics.

June 2025

3 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for nasa/Common-Metadata-Repository. Delivered a new Citation API Schema with enhanced documentation, improved observability through retry-logging refinements in the Elasticsearch search utility, and security hardening by removing a vulnerable dependency and cleaning up code. These changes increase API usability, reliability, and security, enabling more predictable citation workflows for users and easier debugging for operators.

May 2025

8 Commits • 4 Features

May 1, 2025

May 2025 monthly summary for nasa/Common-Metadata-Repository: Delivered targeted improvements to data quality, error handling, and security, while maintaining a controlled upgrade path for external dependencies. Despite an Elasticsearch upgrade that was temporarily applied and subsequently rolled back due to issues, the team shipped meaningful enhancements that improve data integrity, subsystem resilience, and readiness for production-scale changes.

April 2025

1 Commits • 1 Features

Apr 1, 2025

April 2025 highlights for NASA Common Metadata Repository: Implemented KMS Cache Decoupling and Bootstrap Initialization Control to prevent premature cache expiration and data loss. Introduced a bootstrap-time configuration to control KMS cache initialization and updated documentation to reflect the new behavior. This work improves cache reliability, external manageability, and overall system stability by decoupling cache updates from request paths and enabling controlled initialization.

January 2025

1 Commits • 1 Features

Jan 1, 2025

Summary for 2025-01: Delivered a new command-line interface (CLI) to expose the find-lr geometry calculation from the spatial-lib jar in nasa/Common-Metadata-Repository. This enables external tools to reuse the same geometry logic as CMR, improving consistency and reducing duplication across workflows. The work includes a new runner.clj to parse CLI arguments and format output, README updates with usage guidance, and a related commit implementing the feature. This change enhances automation readiness and cross-tool interoperability while maintaining a single source of truth for geometry calculations.

Activity

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Quality Metrics

Correctness83.6%
Maintainability82.6%
Architecture79.6%
Performance73.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

ClojureMarkdownPython

Technical Skills

API DevelopmentAPI DocumentationAPI IntegrationAWS SDKBackend DevelopmentCachingClojureCode RefactoringCommand Line Interface (CLI)Configuration ManagementData IndexingData MigrationDependency ManagementDeprecationDevOps

Repositories Contributed To

1 repo

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

nasa/Common-Metadata-Repository

Jan 2025 Sep 2025
7 Months active

Languages Used

ClojureMarkdownPython

Technical Skills

Command Line Interface (CLI)Geometry ProcessingJavaSoftware DevelopmentAPI DevelopmentBackend Development

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