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Hannya Yan

PROFILE

Hannya Yan

Yilei Yan developed an Instructor Management System for the ucsb-cs156/proj-frontiers repository, focusing on backend reliability and business value. Over the course of a month, Yilei designed the data model and database schema for instructor records, implemented admin-restricted REST API endpoints for creating, listing, and deleting instructors, and ensured robust access control. The work leveraged Java, Spring Boot, and JPA for backend development, with comprehensive unit testing using JUnit and Mockito to cover edge cases and error scenarios. The system’s lifecycle management and test coverage contributed to a stable, CI-friendly codebase, though the scope was limited to a single feature.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

8Total
Bugs
0
Commits
8
Features
1
Lines of code
742
Activity Months1

Work History

May 2025

8 Commits • 1 Features

May 1, 2025

May 2025 monthly summary for ucsb-cs156/proj-frontiers focusing on delivering business value and technical reliability. The work centered on the Instructor Management feature, establishing the data model, API surface, and tested lifecycle for instructor records, with admin-restricted operations and robust test coverage.

Activity

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Quality Metrics

Correctness97.6%
Maintainability97.6%
Architecture97.6%
Performance97.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

Java

Technical Skills

API DevelopmentAPI TestingBackend DevelopmentDatabase DesignDatabase ManagementJPAJUnitMockitoREST APIsRESTful ServicesRole-Based Access ControlSpring BootUnit Testing

Repositories Contributed To

1 repo

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

ucsb-cs156/proj-frontiers

May 2025 May 2025
1 Month active

Languages Used

Java

Technical Skills

API DevelopmentAPI TestingBackend DevelopmentDatabase DesignDatabase ManagementJPA

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