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Trevor Lang

PROFILE

Trevor Lang

Trevor Lang contributed to the nasa/earthdata-search repository by delivering nine features and resolving two bugs over six months, focusing on both user-facing and admin workflows. He modernized admin data handling by migrating from Redux to a GraphQL/Apollo architecture, streamlining data flow and reducing client-side complexity. Trevor enhanced the UI with new components, improved navigation, and overhauled the landing page using React and TypeScript, while also increasing test coverage and maintainability through Testing Library migration. His work addressed performance, reliability, and scalability, demonstrating depth in full stack development, API design, and UI/UX improvements across JavaScript, GraphQL, and AWS environments.

Overall Statistics

Feature vs Bugs

82%Features

Repository Contributions

34Total
Bugs
2
Commits
34
Features
9
Lines of code
106,063
Activity Months6

Your Network

9 people

Work History

September 2025

11 Commits • 2 Features

Sep 1, 2025

September 2025 – nasa/earthdata-search: Delivered UI components and platform enhancements that accelerate admin workflows and improve data discovery UI. Key features include the DefinitionList component with stories and tests and a consolidated Admin UI with GraphQL integration and Apollo-based data flow. Multiple fixes and refactors stabilized routes and admin data access, while removing Redux in favor of GraphQL/Apollo. These changes deliver faster admin tasks, a more consistent UI, and a maintainable, scalable codebase.

August 2025

1 Commits • 1 Features

Aug 1, 2025

August 2025: Completed a targeted migration to GraphQL/Apollo for admin data retrieval in nasa/earthdata-search, replacing the legacy API gateway approach and introducing new GraphQL queries for admin retrievals and details to improve data handling and performance. This work lays groundwork for faster admin data access, reduced latency, and easier future enhancements.

July 2025

1 Commits • 1 Features

Jul 1, 2025

Summary for 2025-07: NASA/earthdata-search delivered Admin Preferences Metrics API Modernization by removing Redux-based admin metrics state management and implementing a GraphQL API to fetch metrics. This reduces client-side complexity and enhances data flow, leading to improved performance in admin dashboards. The work, tracked under EDSC-4527, commit 70e3b6bb32e84f6fa542d7fc5d3a38e2672b154b (#1936), lays groundwork for scalable metric delivery and easier maintenance. Major bugs fixed: none reported this month. Overall, this release improves admin responsiveness, data accuracy, and future-proofing analytics.

April 2025

4 Commits • 3 Features

Apr 1, 2025

April 2025: Delivered major UI/UX enhancements for nasa/earthdata-search, improved readability and navigation, and modernized the codebase. Key features delivered include Landing Page Overhaul with enhanced UI, spatial drawing capabilities, and improved portal routing/layout, Timeline UI Visibility Improvements for clearer collection-name display, and a TypeScript Refactor to improve type safety and maintainability. Major bug fix: resolved the scroll issue when clicking the ‘View All Portal’ button on the landing page, improving user navigation. Impact: more polished user experience, faster feature iteration, and reduced risk of regressions due to better tests and typing. Technologies/skills demonstrated: UI/UX design, TypeScript adoption, Testing Library migration, components/tests modernization, and routing/layout architecture.

November 2024

16 Commits • 1 Features

Nov 1, 2024

November 2024 focused on delivering user-facing notebook generation from Granule Results, strengthening UI reliability, and stabilizing APIs/dependencies for NASA Earthdata Search. Delivered end-to-end notebook generation/download, improved Granule Results UI test coverage, and stabilized the API surface to reduce deployment risk and dependency issues.

October 2024

1 Commits • 1 Features

Oct 1, 2024

Month: 2024-10 — Focused on delivering user-facing tour improvements for NASA Earthdata Search. Implemented a Tour Overlay Visual Guide that provides a dynamic, state-driven overlay during tours, with a dedicated CSS class to support consistent visuals and smooth show/hide behavior. The change is tracked under EDSC-4162 with commit 9769e8545fd684a68550813b4a14f2e3ee702de1.

Activity

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Quality Metrics

Correctness88.8%
Maintainability85.2%
Architecture85.2%
Performance85.2%
AI Usage44.2%

Skills & Technologies

Programming Languages

CSSGraphQLHTMLJSONJavaScriptSCSSTypeScriptYAML

Technical Skills

API DevelopmentAWSAWS CDKApolloApollo ClientCORS ConfigurationCSSComponent TestingDatabase ManagementFront End DevelopmentFront-end DevelopmentGraphQLJavaScriptJestNode

Repositories Contributed To

1 repo

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

nasa/earthdata-search

Oct 2024 Sep 2025
6 Months active

Languages Used

CSSJavaScriptHTMLJSONYAMLSCSSTypeScriptGraphQL

Technical Skills

Reactfront end developmentAPI DevelopmentAWSCORS ConfigurationFront End Development