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JackChujun

PROFILE

Jackchujun

Yanjac contributed to both uwblueprint/marillac-place and uw-datasci/uwdsc-website-v2, building features such as admin authentication scaffolding, announcement management, and auto-save for application progress. He applied React and TypeScript to deliver robust UI flows, standardized form handling, and state management, while integrating GraphQL and REST APIs for reliable data operations. His work included backend mutations for badge management, dependency updates for security, and UI enhancements to improve user experience and reduce technical debt. By focusing on component reusability and clear commit practices, Yanjac delivered maintainable solutions that improved onboarding, admin workflows, and membership management across both repositories.

Overall Statistics

Feature vs Bugs

85%Features

Repository Contributions

28Total
Bugs
2
Commits
28
Features
11
Lines of code
55,156
Activity Months5

Work History

July 2025

1 Commits • 1 Features

Jul 1, 2025

July 2025 performance summary for uw-datasci/uwdsc-website-v2: Delivered auto-save and resume functionality to improve user journey continuity and data integrity. Implemented a new API endpoint and a patch utility to persist application progress after each section, enabling users to resume where they left off. Updated apply-page navigation to invoke save before moving to the next step, ensuring consistent state. Result: reduced user friction, higher completion potential, and more reliable onboarding flow. All work is under version control in uw-datasci/uwdsc-website-v2 with commits including 8a7117ff12296ef52c3ea84b9382398b2b985943. Technologies involved include API design, REST/patch endpoints, front-end integration, state management, and version control. Business impact: improved user retention and data fidelity across application submissions.

June 2025

12 Commits • 4 Features

Jun 1, 2025

June 2025 monthly summary focusing on key accomplishments across two repositories. Delivered end-to-end admin functionality for announcements, refined UI/UX flows, and standardized form handling, while updating dependencies to improve security and maintainability. Key business value includes safer data operations, reduced manual maintenance, and faster feature delivery across front-end forms and authentication flows.

May 2025

9 Commits • 4 Features

May 1, 2025

May 2025 performance summary for uw-datasci/uwdsc-website-v2: Delivered key features for membership management and check-in, fixed a critical infinite-loading scenario, and cleaned up navigation and error handling to improve reliability, user experience, and supportability. The work focused on membership state clarity, real-time status during check-in, robust no-events handling, and streamlined workflows that drive engagement and reduce support overhead.

February 2025

2 Commits • 1 Features

Feb 1, 2025

February 2025 (uwblueprint/marillac-place): Admin authentication scaffold delivered. Implemented initial admin login page structure and routing integration to establish the admin login interface, and added a role dropdown for login to support role-based access control. Commits supporting these changes: 5d06e7824a5c70235625c8d5ba4b9f23847dc4ad (Begin admin login page + routing) and 8112509cab9d115584ee3a485a3de8628f4eea76 (Added role dropdown for login). No critical bugs fixed in this repository this month. Business impact: provides secure admin access groundwork, enabling upcoming admin features, governance, and auditing. Technical achievements: front-end scaffolding for authentication, routing setup, and incremental feature delivery with clear commit history.

November 2024

4 Commits • 1 Features

Nov 1, 2024

November 2024 monthly summary for uwblueprint/marillac-place. Delivered key Task Page UX enhancements and data model consistency. Implemented frontend UI filtering mapping, readability refactors, cleanup of task-type state, and standardized due date naming across task definitions. Also improved the API call path to populate the task list for more reliable rendering. No major defects reported this month; these changes reduce technical debt and lay groundwork for future task-management improvements. Commits supporting this work: 54311c97d54e946d98fb31141340f382908b7889; 6592ec28f9ef4244fa5d147ce212e782030bceca; 2fb81622b1046e935afaab494330cbb53127a4f4; f6e607faada4df0e8e7a3fea73769d2d11569a87.

Activity

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Quality Metrics

Correctness85.4%
Maintainability86.0%
Architecture80.0%
Performance82.8%
AI Usage20.6%

Skills & Technologies

Programming Languages

CSSGraphQLHTMLJavaScriptReactTypeScript

Technical Skills

API DevelopmentAPI IntegrationApollo ClientBackend DevelopmentChakra UICode RefactoringComponent ReusabilityDatabase ManagementDependency ManagementForm HandlingFront End DevelopmentFrontend DevelopmentGraphQLGraphQL MutationsGraphQL Queries

Repositories Contributed To

2 repos

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

uwblueprint/marillac-place

Nov 2024 Jun 2025
3 Months active

Languages Used

GraphQLJavaScriptReactTypeScript

Technical Skills

API IntegrationCode RefactoringFrontend DevelopmentGraphQLReactState Management

uw-datasci/uwdsc-website-v2

May 2025 Jul 2025
3 Months active

Languages Used

CSSHTMLJavaScriptTypeScript

Technical Skills

API IntegrationFront End DevelopmentFrontend DevelopmentNext.jsReactTailwind CSS

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