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Hein

PROFILE

Hein

Nattapong Waimarn developed and enhanced both the campus-client and campus-server repositories over two months, delivering 28 features and resolving 7 bugs. He built dynamic UI components and a wallet system in React and TypeScript, integrating Tailwind CSS for responsive design. On the backend, he extended student profiles, implemented enrollment withdrawal with refund processing, and improved authentication using Node.js, Express.js, and Prisma ORM. His work included API-driven data formatting, JWT-based session management, and robust error handling, resulting in improved user experience and data integrity. The depth of his contributions addressed both front-end usability and back-end reliability for campus management.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

68Total
Bugs
7
Commits
68
Features
28
Lines of code
8,131
Activity Months2

Work History

December 2024

26 Commits • 8 Features

Dec 1, 2024

December 2024 performance highlights: Delivered a cohesive set of high-value features and server-side improvements across campus-client and campus-server, driving improved financial visibility, refunds accuracy, and richer student profiles. Key outcomes include a fully implemented Wallet Page with formatted balances, transaction history, and robust loading/error handling; Early Withdraw option with partial refunds; dynamic Registration Periods UI with real-time data and extended Withdraw flows; Profile/UI enhancements with ClubCard and improved imagery; and a bug fix addressing campus-client module errors. On the server, implemented Enrollment Withdrawal and Refund Processing with wallet updates and invoice refunds; added User Transaction History API; enhanced wallet summary retrieval and student profile data with club info and access control. This combined effort improves cash flow visibility for students, reduces manual reconciliation, and strengthens data integrity across financial and profile systems.

November 2024

42 Commits • 20 Features

Nov 1, 2024

November 2024 performance summary: Delivered a cohesive set of front-end UI improvements and back-end enhancements across campus-client and campus-server that collectively raise user satisfaction, data accuracy, and enrollment efficiency. Key outcomes include a cross-app toast notification system, new UI components (Footer, Carousel, Announcement Card, Slider) with Tailwind refinements, and dynamic enrollment capabilities (periods, withdraw API, dynamic period UI). On the server, extended student profiles, GPAX/semester data fixes, and payments integration, complemented by calendar-based period management. Authentication and session handling were strengthened with a loading page, auth route improvements, and JWT payloads that include employee IDs and dynamic period data. Maintenance fixes addressed stability and correctness in pricing, seat management, and middleware ordering. Demonstrated technologies include Tailwind-based UI, JSON data handling, Prisma ORM integration, and JWT-enabled authentication, driving reduced support overhead and faster, data-driven decision making.

Activity

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Quality Metrics

Correctness82.6%
Maintainability81.8%
Architecture76.8%
Performance81.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

JSXJavaScriptReactSQLTypeScript

Technical Skills

API DevelopmentAPI IntegrationAuthenticationBackend DevelopmentCSSComponent DesignComponent DevelopmentComponent RefactoringComponent-Based ArchitectureData FormattingDatabase ManagementDatabase QueryingDebuggingExpress.jsFront End Development

Repositories Contributed To

2 repos

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

KMUTT-CampusLink/campus-client

Nov 2024 Dec 2024
2 Months active

Languages Used

JSXJavaScriptReactTypeScript

Technical Skills

API IntegrationAuthenticationCSSComponent DesignComponent DevelopmentComponent Refactoring

KMUTT-CampusLink/campus-server

Nov 2024 Dec 2024
2 Months active

Languages Used

JavaScriptSQL

Technical Skills

API DevelopmentAuthenticationBackend DevelopmentDatabase ManagementDatabase QueryingExpress.js

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