mbta/orbit
Jan 2025 – May 2025
3 Months active
Languages Used
SVGTypeScriptCSSElixirJavaScriptHTMLText
Technical Skills
CSSComponent DevelopmentFront-end DevelopmentFrontend DevelopmentTailwind CSSUI/UX
Joe Cho
PROFILE
Joe Cho
Joseph Cho developed and enhanced real-time transit data visualization features for the mbta/orbit repository over a three-month period. He built new UI components and integrated backend data feeds, enabling live train position updates and station data views. Using React, Elixir, and TypeScript, Joseph implemented frontend routing, GenServer-based polling, and robust data parsing for RTR JSON feeds. He standardized design system colors with Tailwind CSS, improved accessibility, and maintained codebase hygiene. His work included test coverage for new features, environment configuration, and SEO controls, resulting in a maintainable, reliable platform that supports future analytics and improved operator data freshness.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
10Total
Bugs
0
Commits
10
Features
7
Lines of code
1,783
Activity Months3
Your Network
5 people
Work History
May 2025
4 Commits • 3 Features
May 1, 2025May 2025 performance summary for mbta/orbit: Delivered key customer-visible features with improved data handling and testing, enhanced routing and site controls, and maintained strong code quality through focused commits.
4 Commits • 3 Features
May 1, 2025May 2025 performance summary for mbta/orbit: Delivered key customer-visible features with improved data handling and testing, enhanced routing and site controls, and maintained strong code quality through focused commits.
May 2025
April 2025
4 Commits • 2 Features
Apr 1, 2025April 2025 performance summary for mbta/orbit: Delivered two major features expanding real-time visibility and station data visualization. Implemented frontend UI and backend data integration to provide live transit context and data structures for RTR feeds. No major bugs reported this period; focused on feature delivery, test coverage, and environment/config changes to support reliability. Impact includes improved data freshness for operators, a new visualization pathway for station data, and a solid foundation for future real-time analytics. Technologies span React frontend routing, Elixir routers, GenServer-based polling, RTR JSON parsing, environment configuration, and test scaffolding.
April 2025
4 Commits • 2 Features
Apr 1, 2025April 2025 performance summary for mbta/orbit: Delivered two major features expanding real-time visibility and station data visualization. Implemented frontend UI and backend data integration to provide live transit context and data structures for RTR feeds. No major bugs reported this period; focused on feature delivery, test coverage, and environment/config changes to support reliability. Impact includes improved data freshness for operators, a new visualization pathway for station data, and a solid foundation for future real-time analytics. Technologies span React frontend routing, Elixir routers, GenServer-based polling, RTR JSON parsing, environment configuration, and test scaffolding.
January 2025
2 Commits • 2 Features
Jan 1, 2025Concise monthly summary for 2025-01 focused on the mbta/orbit repository. Delivered UI/design-system improvements, standardized color tokens, and updated tests to reflect accessibility and consistency. Minor repo hygiene tasks completed to reduce noise in the codebase.
2 Commits • 2 Features
Jan 1, 2025Concise monthly summary for 2025-01 focused on the mbta/orbit repository. Delivered UI/design-system improvements, standardized color tokens, and updated tests to reflect accessibility and consistency. Minor repo hygiene tasks completed to reduce noise in the codebase.
January 2025
Activity
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Quality Metrics
Correctness92.0%
Maintainability92.0%
Architecture92.0%
Performance86.0%
AI Usage22.0%
Skills & Technologies
Programming Languages
CSSElixirHTMLJavaScriptSVGTextTypeScript
Technical Skills
API IntegrationBackend DevelopmentCSSComponent DesignComponent DevelopmentConfiguration ManagementData ModelingData ParsingElixirFront End DevelopmentFront-end DevelopmentFrontend DevelopmentGenServerReactReal-time Data Processing
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline