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Junjie Liu

PROFILE

Junjie Liu

During May 2025, Junjie Liu developed a comprehensive Articles Management System for the ucsb-cs156-s25/team02-s25-10 repository, delivering both a frontend UI and backend API to support full CRUD operations with role-based access control. Junjie utilized Java, JavaScript, and React to implement robust features, integrating Spring Boot for backend services and React Query for efficient data handling. The project emphasized maintainability by establishing reusable test fixtures and utilities, while extensive unit and end-to-end testing with JUnit and Playwright ensured reliability. Junjie’s work resulted in a stable, production-ready system with consistent code quality and seamless frontend-backend integration.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

17Total
Bugs
0
Commits
17
Features
1
Lines of code
2,843
Activity Months1

Work History

May 2025

17 Commits • 1 Features

May 1, 2025

May 2025 performance summary for ucsb-cs156-s25/team02-s25-10: Delivered a full Articles Management System with frontend UI, backend API, and comprehensive tests, enabling complete CRUD operations with role-based access control. Finalized end-to-end test coverage and established test fixtures/utilities to support reliable development and future iterations. Achieved stable frontend-backend integration and code quality improvements, culminating in a robust, maintainable delivery suitable for production handoff.

Activity

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Quality Metrics

Correctness92.4%
Maintainability93.6%
Architecture87.6%
Performance94.2%
AI Usage20.0%

Skills & Technologies

Programming Languages

CSSGroovyHTMLJavaJavaScriptSQL

Technical Skills

Backend DevelopmentCode FormattingDatabase ManagementEnd-to-End TestingFront End DevelopmentFrontend DevelopmentIntegration TestingJPAJUnitJavaScriptJestMSW (Mock Service Worker)MockitoPlaywrightREST APIs

Repositories Contributed To

1 repo

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

ucsb-cs156-s25/team02-s25-10

May 2025 May 2025
1 Month active

Languages Used

CSSGroovyHTMLJavaJavaScriptSQL

Technical Skills

Backend DevelopmentCode FormattingDatabase ManagementEnd-to-End TestingFront End DevelopmentFrontend Development

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