ChangePlusPlusVandy/fostersource
Oct 2024 – Apr 2025
7 Months active
Languages Used
JavaScriptTypeScriptCSSHTML
Technical Skills
Backend DevelopmentDatabase ManagementDatabase ModelingExpress.jsMongoDBNode.js
Jason Lee
PROFILE
Jason Lee
Jaeho Lee developed core features for the ChangePlusPlusVandy/fostersource repository, focusing on scalable backend APIs, robust admin workflows, and integrated frontend experiences. Over seven months, he engineered course and webinar management systems, implemented user authentication, and delivered admin dashboards for products, registrations, and surveys. Using TypeScript, Node.js, and React, Jaeho designed flexible data models with Mongoose, ensured data integrity through cascade deletions, and improved reliability with comprehensive unit testing. He also built certificate PDF generation with Cloudinary integration and optimized UI performance. The work demonstrated depth in both backend and frontend engineering, resulting in maintainable, data-driven product infrastructure.
Overall Statistics
Feature vs Bugs
94%Features
Repository Contributions
51Total
Bugs
1
Commits
51
Features
17
Lines of code
3,354
Activity Months7
Your Network
7 people
Work History
April 2025
16 Commits • 4 Features
Apr 1, 2025April 2025 — ChangePlusPlusVandy/fostersource: Delivered end-to-end features across surveys, certificates, FAQs, and registrant admin, with backend data integration, UI polish, and performance improvements. Implemented Survey Summary UX (modal with detailed responses, admin route, stats/detail views) and integrated data fetching. Implemented Certificate PDF generation and delivery flow (pdfkit, authenticated access, dynamic backgrounds via Cloudinary). Launched FAQ Page with routing and navigation updates to guide users to catalog views. Enhanced Registrants Admin View (payments & progress) with backend data integration, dynamic course data, and bulk data fetch reducing API calls. Fixed modal styling and placement, and added UI polish (percentage bar). Reduced API calls to improve performance and reliability. These efforts improve admin efficiency, data-driven insights, and customer-facing workflows, delivering measurable business value.
16 Commits • 4 Features
Apr 1, 2025April 2025 — ChangePlusPlusVandy/fostersource: Delivered end-to-end features across surveys, certificates, FAQs, and registrant admin, with backend data integration, UI polish, and performance improvements. Implemented Survey Summary UX (modal with detailed responses, admin route, stats/detail views) and integrated data fetching. Implemented Certificate PDF generation and delivery flow (pdfkit, authenticated access, dynamic backgrounds via Cloudinary). Launched FAQ Page with routing and navigation updates to guide users to catalog views. Enhanced Registrants Admin View (payments & progress) with backend data integration, dynamic course data, and bulk data fetch reducing API calls. Fixed modal styling and placement, and added UI polish (percentage bar). Reduced API calls to improve performance and reliability. These efforts improve admin efficiency, data-driven insights, and customer-facing workflows, delivering measurable business value.
April 2025
March 2025
14 Commits • 4 Features
Mar 1, 2025March 2025 monthly summary for ChangePlusPlusVandy/fostersource. Focused on delivering admin-centric features and data capabilities to empower operational efficiency, improve data visibility, and strengthen the linkage between courses, registrations, and payments. The month produced reusable scaffolding, robust admin routes, and data model enhancements designed for scalable admin workflows and improved reporting.
March 2025
14 Commits • 4 Features
Mar 1, 2025March 2025 monthly summary for ChangePlusPlusVandy/fostersource. Focused on delivering admin-centric features and data capabilities to empower operational efficiency, improve data visibility, and strengthen the linkage between courses, registrations, and payments. The month produced reusable scaffolding, robust admin routes, and data model enhancements designed for scalable admin workflows and improved reporting.
February 2025
8 Commits • 4 Features
Feb 1, 2025February 2025: Delivered foundational features and reliability improvements in FosterSource, establishing capabilities for webinar management, admin workflows, and course administration while cleaning up navigation and API responses. The work enabled product management, smoother admin operations, and improved UX, with a clear traceability to commits across the repository.
8 Commits • 4 Features
Feb 1, 2025February 2025: Delivered foundational features and reliability improvements in FosterSource, establishing capabilities for webinar management, admin workflows, and course administration while cleaning up navigation and API responses. The work enabled product management, smoother admin operations, and improved UX, with a clear traceability to commits across the repository.
February 2025
January 2025
2 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for ChangePlusPlusVandy/fostersource: Delivered foundational front-end scaffolding and navigation for new sections, establishing a scalable structure for future content and rapid UX iteration across multiple pages.
January 2025
2 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for ChangePlusPlusVandy/fostersource: Delivered foundational front-end scaffolding and navigation for new sections, establishing a scalable structure for future content and rapid UX iteration across multiple pages.
December 2024
4 Commits • 2 Features
Dec 1, 2024Month 2024-12 — ChangePlusPlusVandy/fostersource delivered core authentication capabilities, improved security posture, and streamlined development workflows, driving reliability and faster iteration for the product.
4 Commits • 2 Features
Dec 1, 2024Month 2024-12 — ChangePlusPlusVandy/fostersource delivered core authentication capabilities, improved security posture, and streamlined development workflows, driving reliability and faster iteration for the product.
December 2024
November 2024
4 Commits • 1 Features
Nov 1, 2024November 2024 monthly summary for ChangePlusPlusVandy/fostersource. Delivered substantial Course API improvements to improve data integrity, client usability, and testability. Implemented ratings integration with a defined courseId relationship, initiated a data model refactor for stronger validation, and expanded test coverage to protect API endpoints, positioning the project for reliable future enhancements.
November 2024
4 Commits • 1 Features
Nov 1, 2024November 2024 monthly summary for ChangePlusPlusVandy/fostersource. Delivered substantial Course API improvements to improve data integrity, client usability, and testability. Implemented ratings integration with a defined courseId relationship, initiated a data model refactor for stronger validation, and expanded test coverage to protect API endpoints, positioning the project for reliable future enhancements.
October 2024
3 Commits • 1 Features
Oct 1, 2024October 2024 performance summary for ChangePlusPlusVandy/fostersource focused on delivering a robust Course Management API and scalable data model enhancements. Key features introduced a Course Management API with CRUD endpoints and a flexible CourseSchema that supports optional ratings and discussion, along with cascade deletion of related components to ensure data integrity. The work establishes a scalable backend foundation for course management and paves the way for future features (ratings, discussions, analytics). No explicit major bugs were reported in the provided data; the month emphasized feature delivery and maintainable code changes.
3 Commits • 1 Features
Oct 1, 2024October 2024 performance summary for ChangePlusPlusVandy/fostersource focused on delivering a robust Course Management API and scalable data model enhancements. Key features introduced a Course Management API with CRUD endpoints and a flexible CourseSchema that supports optional ratings and discussion, along with cascade deletion of related components to ensure data integrity. The work establishes a scalable backend foundation for course management and paves the way for future features (ratings, discussions, analytics). No explicit major bugs were reported in the provided data; the month emphasized feature delivery and maintainable code changes.
October 2024
Activity
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Quality Metrics
Correctness87.0%
Maintainability87.2%
Architecture83.8%
Performance84.0%
AI Usage21.6%
Skills & Technologies
Programming Languages
CSSHTMLJavaScriptTypeScript
Technical Skills
API DevelopmentAPI IntegrationAPI TestingAuthenticationBackend DevelopmentCloudinaryData FetchingData FilteringDatabase ManagementDatabase ModelingDevelopment Environment SetupExpress.jsFrontend DevelopmentMiddlewareMongoDB
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