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Dokyu Han

PROFILE

Dokyu Han

Dokyu Han developed core authentication and authorization features for the 02-Solutions/Monarca_Backend repository, focusing on secure user management and scalable access control. Over two months, Dokyu implemented JWT-based authentication with password hashing, migrating the system from role-based to permission-based (ABAC) authorization for finer-grained control. The work included aligning the database schema, updating guards and decorators, and enhancing developer visibility into authorization decisions. Dokyu also improved end-to-end test coverage for authentication and reservation flows, modernized project documentation, and fixed a key login/logout regression. The project leveraged TypeScript, NestJS, and Docker, demonstrating depth in backend engineering and maintainability.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

24Total
Bugs
1
Commits
24
Features
3
Lines of code
1,834
Activity Months2

Work History

May 2025

14 Commits • 2 Features

May 1, 2025

May 2025 - 02-Solutions/Monarca_Backend: Delivered targeted test automation improvements and documentation enhancements to strengthen release confidence and developer onboarding. Focused on end-to-end authentication and reservation flows, documentation modernization, and a critical login/logout test fix. Overall, the work increased test coverage for authentication and reservation paths, improved onboarding with a comprehensive README and Docker guidance, and fixed a key login/logout regression to improve reliability of the authentication surface.

April 2025

10 Commits • 1 Features

Apr 1, 2025

April 2025 monthly summary for 02-Solutions/Monarca_Backend: Implemented end-to-end user authentication with JWT-based authentication and password hashing, including login and registration flows and token management. Migrated authorization from role-based to permission-based access control (ABAC), with updates to guards, decorators, and data retrieval to support fine-grained, scalable access control and improved developer visibility. Aligned database schema to support ABAC and the new access model, and refined data access paths accordingly. Refactors also included JSON examples and documentation alignment.

Activity

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Quality Metrics

Correctness90.8%
Maintainability89.6%
Architecture85.0%
Performance85.8%
AI Usage23.4%

Skills & Technologies

Programming Languages

BashJavaScriptMarkdownSQLShellTypeScript

Technical Skills

API DevelopmentAPI DocumentationAPI TestingAccess ControlAuthenticationAuthorizationBackend DevelopmentDatabase ManagementDockerDocumentationEnd-to-End TestingJWT AuthenticationNestJSNode.jsPassword Hashing

Repositories Contributed To

1 repo

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

02-Solutions/Monarca_Backend

Apr 2025 May 2025
2 Months active

Languages Used

JavaScriptSQLTypeScriptBashMarkdownShell

Technical Skills

API DevelopmentAPI DocumentationAccess ControlAuthenticationAuthorizationBackend Development

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