Techeer-Hogwarts/frontend
Nov 2024 – Sep 2025
8 Months active
Languages Used
CSSHTMLJavaScriptTypeScriptJSONReactSVGtsx
Technical Skills
API IntegrationAuthenticationAxiosComponent DesignComponent DevelopmentComponent-Based Architecture
백지윤
PROFILE
백지윤
Jiyoung Baek developed and maintained core features for the Techeer-Hogwarts/frontend repository, focusing on scalable UI architecture, robust authentication flows, and seamless API integration. Over eight months, Jiyoung consolidated and refactored React and TypeScript components, introduced reusable hooks, and improved state management using Zustand. She enhanced user onboarding, project collaboration, and content discoverability by implementing centralized search, infinite scrolling, and modular modal systems. Her work included stabilizing build processes, refining error handling, and integrating analytics with Google Tag Manager. By prioritizing maintainability and code reuse, Jiyoung delivered a frontend that supports rapid feature delivery and reliable, consistent user experiences.
Overall Statistics
Feature vs Bugs
43%Features
Repository Contributions
194Total
Bugs
54
Commits
194
Features
40
Lines of code
84,504
Activity Months8
Your Network
12 people
Work History
September 2025
4 Commits • 3 Features
Sep 1, 2025For 2025-09, delivered significant front-end improvements yielding measurable UX and stability gains. Refined infinite scrolling and pagination to reduce data fetch overhead, integrated scalable analytics via GTM, fixed routing type errors, and modernized the Next.js stack. These changes improve performance, reliability, and maintainability, enabling faster feature delivery and better data-driven decisions.
4 Commits • 3 Features
Sep 1, 2025For 2025-09, delivered significant front-end improvements yielding measurable UX and stability gains. Refined infinite scrolling and pagination to reduce data fetch overhead, integrated scalable analytics via GTM, fixed routing type errors, and modernized the Next.js stack. These changes improve performance, reliability, and maintainability, enabling faster feature delivery and better data-driven decisions.
September 2025
August 2025
55 Commits • 8 Features
Aug 1, 2025August 2025 (Month: 2025-08) focused on delivering customer-facing features, stabilizing API interactions, and strengthening frontend architecture for Techeer-Hogwarts/frontend. Business value was accelerated through timely content publishing, reliable taker-flow integration, and robust UI/UX with fewer incidents. The month also included targeted refactors and quality improvements to reduce maintenance costs and prepare the codebase for future scale.
August 2025
55 Commits • 8 Features
Aug 1, 2025August 2025 (Month: 2025-08) focused on delivering customer-facing features, stabilizing API interactions, and strengthening frontend architecture for Techeer-Hogwarts/frontend. Business value was accelerated through timely content publishing, reliable taker-flow integration, and robust UI/UX with fewer incidents. The month also included targeted refactors and quality improvements to reduce maintenance costs and prepare the codebase for future scale.
June 2025
14 Commits • 4 Features
Jun 1, 2025June 2025 Monthly Summary — Techeer-Hogwarts/frontend Key features delivered: - Project Addition Flow Improvements: Refactored client-side logic into a custom hook and a reusable client component; updated API base URL and rendering behavior to ensure a reliable, consistent project creation UX and improved maintainability. Commits: 431435964632ec5e05a7cbef07c269cc15547b3f, e864b47b476b0e395132a745c8cf8ecb052d8fcb. - Project Detail and Editing Flow Improvements: Migrated to dedicated client components and hooks; standardized applicant data handling; minor prop/name adjustments for readability and consistency across project views. Commits: c5582459aa174f2c5d6f7e2c314600b458021e9e, eacff7f0cfdc5d769bcfc73ec74207112278142b, db0c04eb2cdbdb1706f0c9602d9d1393afea9cad, 97c63b62e1f2ccbe353bf7e767cdb64513226b98, 10f040e04be479714f6bd7dcf843030ecb854187. - Study Flow Improvements (Add/Detail/Edit): Centralized study addition, detail, and editing logic into reusable hooks and components to improve code reuse and UX consistency. Commits: e6bad40f4f857feb2ce5a0739f724f2b646737f1, 1091bb1511027c736fedc933ec3ff0939890e3cc, b7b375efb8e71ccbeda2dc3ec272793d957d7554. - Team Management and Collaboration Enhancements: Updated API endpoints, image upload handling, infinite scrolling with cursor-based pagination, improved search, and simplified sorting options for a better collaboration experience. Commits: 0208a6e85c428c1771cd123028cc516a56e06dc2, 613c5bf902f9be7becba06a236fbb72a7472d16d, 034041829913d0336c7e4ece7423e4e85c8b6e3d, 5d6f63c42794192a91702c098c8c1d70374ed8f6. Major bugs fixed: - Removed debug console.log from project detail refactor to clean up dev/debug output (stability and readability). Commit: 97c63b62e1f2ccbe353bf7e767cdb64513226b98. - Miscellaneous fixes in project detail flow to improve stability and readability (general fix). Commit: 10f040e04be479714f6bd7dcf843030ecb854187. - Team list sorting repairs: fixed sorting behavior and removed an unnecessary likes-based sort. Commits: 034041829913d0336c7e4ece7423e4e85c8b6e3d, 5d6f63c42794192a91702c098c8c1d70374ed8f6. - UX refinement in project detail flow (apply/cancel adjustments) to ensure smoother cancellation paths. Commit: db0c04eb2cdbdb1706f0c9602d9d1393afea9cad. Overall impact and accomplishments: - Strong improvement in UX consistency across project, detail/edit, and study flows, enabling faster onboarding and reduced support needs. - Significant maintainability gains through centralized hooks/components and standardized data handling, lowering future refactor risk. - Enhanced performance and scalability for team collaboration features via cursor-based pagination, image upload handling, and optimized search/sorting paths. Technologies and skills demonstrated: - Client-side architecture refactoring using React hooks and reusable components; emphasis on maintainability, readability, and testability. - API integration and data flow standardization across modules (projects, studies, teams). - Pagination techniques, image upload handling, and UI/UX consistency improvements. - Focus on business value: faster project creation, reliable editing flows, scalable team management, and improved cross-feature consistency.
14 Commits • 4 Features
Jun 1, 2025June 2025 Monthly Summary — Techeer-Hogwarts/frontend Key features delivered: - Project Addition Flow Improvements: Refactored client-side logic into a custom hook and a reusable client component; updated API base URL and rendering behavior to ensure a reliable, consistent project creation UX and improved maintainability. Commits: 431435964632ec5e05a7cbef07c269cc15547b3f, e864b47b476b0e395132a745c8cf8ecb052d8fcb. - Project Detail and Editing Flow Improvements: Migrated to dedicated client components and hooks; standardized applicant data handling; minor prop/name adjustments for readability and consistency across project views. Commits: c5582459aa174f2c5d6f7e2c314600b458021e9e, eacff7f0cfdc5d769bcfc73ec74207112278142b, db0c04eb2cdbdb1706f0c9602d9d1393afea9cad, 97c63b62e1f2ccbe353bf7e767cdb64513226b98, 10f040e04be479714f6bd7dcf843030ecb854187. - Study Flow Improvements (Add/Detail/Edit): Centralized study addition, detail, and editing logic into reusable hooks and components to improve code reuse and UX consistency. Commits: e6bad40f4f857feb2ce5a0739f724f2b646737f1, 1091bb1511027c736fedc933ec3ff0939890e3cc, b7b375efb8e71ccbeda2dc3ec272793d957d7554. - Team Management and Collaboration Enhancements: Updated API endpoints, image upload handling, infinite scrolling with cursor-based pagination, improved search, and simplified sorting options for a better collaboration experience. Commits: 0208a6e85c428c1771cd123028cc516a56e06dc2, 613c5bf902f9be7becba06a236fbb72a7472d16d, 034041829913d0336c7e4ece7423e4e85c8b6e3d, 5d6f63c42794192a91702c098c8c1d70374ed8f6. Major bugs fixed: - Removed debug console.log from project detail refactor to clean up dev/debug output (stability and readability). Commit: 97c63b62e1f2ccbe353bf7e767cdb64513226b98. - Miscellaneous fixes in project detail flow to improve stability and readability (general fix). Commit: 10f040e04be479714f6bd7dcf843030ecb854187. - Team list sorting repairs: fixed sorting behavior and removed an unnecessary likes-based sort. Commits: 034041829913d0336c7e4ece7423e4e85c8b6e3d, 5d6f63c42794192a91702c098c8c1d70374ed8f6. - UX refinement in project detail flow (apply/cancel adjustments) to ensure smoother cancellation paths. Commit: db0c04eb2cdbdb1706f0c9602d9d1393afea9cad. Overall impact and accomplishments: - Strong improvement in UX consistency across project, detail/edit, and study flows, enabling faster onboarding and reduced support needs. - Significant maintainability gains through centralized hooks/components and standardized data handling, lowering future refactor risk. - Enhanced performance and scalability for team collaboration features via cursor-based pagination, image upload handling, and optimized search/sorting paths. Technologies and skills demonstrated: - Client-side architecture refactoring using React hooks and reusable components; emphasis on maintainability, readability, and testability. - API integration and data flow standardization across modules (projects, studies, teams). - Pagination techniques, image upload handling, and UI/UX consistency improvements. - Focus on business value: faster project creation, reliable editing flows, scalable team management, and improved cross-feature consistency.
June 2025
May 2025
11 Commits • 2 Features
May 1, 2025Month: 2025-05 Overview: Delivered a unified cross-context UI system and a core page refactor for Techeer-Hogwarts/frontend, focusing on consistency, maintainability, and stronger typing. The work reduces duplication, streamlines workflows for project and study contexts, and lays a scalable foundation for future features.
May 2025
11 Commits • 2 Features
May 1, 2025Month: 2025-05 Overview: Delivered a unified cross-context UI system and a core page refactor for Techeer-Hogwarts/frontend, focusing on consistency, maintainability, and stronger typing. The work reduces duplication, streamlines workflows for project and study contexts, and lays a scalable foundation for future features.
March 2025
20 Commits • 6 Features
Mar 1, 2025March 2025 — Techeer-Hogwarts/frontend: Delivered a suite of UX and reliability improvements that boost onboarding, daily use, and data integrity, while laying groundwork for scalable growth. Key features delivered: - Authentication System with Persistence and UX Enhancements: persistent login state via Zustand persist, streamlined auth checks, Enter-to-login, and hover/UX improvements; fixes addressing navbar storage and session reliability. - Signup and Profile UI/UX Enhancements: custom school input, cohort selection, and UI refinements across profile and detail views, with CSS/layout polish across cards and lists. - Study Results Image Viewer: thumbnail-driven modal viewer for detailed study result images, improving content engagement and validation. - Database/Stacks Category Enhancement: new Database category for technical stacks with UI adjustments to support improved stack selection. - AddMember Component Refactor and Filtering Improvements: consolidated study/project member components into a single reusable AddMember component; enhanced project/study filtering and API parameter handling for accuracy. Major bugs fixed: - Team/Recruitment Data Integrity: disable Save until all added members have a selected team role; reset recruitment fields when not recruiting; fixes for project/study registration flow. Overall impact and accomplishments: - Improved onboarding reliability, user satisfaction, and data consistency, reducing edge-case errors in recruitment flows and profile management. - Established scalable UI primitives (AddMember) and category taxonomy (Database/Stacks) to support future growth with lower maintenance cost. Technologies/skills demonstrated: - React/TypeScript, Zustand persist, localStorage, CSS refinements, modular component design, and robust state management. - UX-focused development, API parameter handling, and data integrity enforcement for multi-step processes.
20 Commits • 6 Features
Mar 1, 2025March 2025 — Techeer-Hogwarts/frontend: Delivered a suite of UX and reliability improvements that boost onboarding, daily use, and data integrity, while laying groundwork for scalable growth. Key features delivered: - Authentication System with Persistence and UX Enhancements: persistent login state via Zustand persist, streamlined auth checks, Enter-to-login, and hover/UX improvements; fixes addressing navbar storage and session reliability. - Signup and Profile UI/UX Enhancements: custom school input, cohort selection, and UI refinements across profile and detail views, with CSS/layout polish across cards and lists. - Study Results Image Viewer: thumbnail-driven modal viewer for detailed study result images, improving content engagement and validation. - Database/Stacks Category Enhancement: new Database category for technical stacks with UI adjustments to support improved stack selection. - AddMember Component Refactor and Filtering Improvements: consolidated study/project member components into a single reusable AddMember component; enhanced project/study filtering and API parameter handling for accuracy. Major bugs fixed: - Team/Recruitment Data Integrity: disable Save until all added members have a selected team role; reset recruitment fields when not recruiting; fixes for project/study registration flow. Overall impact and accomplishments: - Improved onboarding reliability, user satisfaction, and data consistency, reducing edge-case errors in recruitment flows and profile management. - Established scalable UI primitives (AddMember) and category taxonomy (Database/Stacks) to support future growth with lower maintenance cost. Technologies/skills demonstrated: - React/TypeScript, Zustand persist, localStorage, CSS refinements, modular component design, and robust state management. - UX-focused development, API parameter handling, and data integrity enforcement for multi-step processes.
March 2025
February 2025
73 Commits • 11 Features
Feb 1, 2025Month: 2025-02 Key features delivered: - My Page carousel: Added a projects/studies carousel to My Page, enabling quick access to ongoing work and highlights for users. - Modal UI & Authentication: Implemented a login authentication modal and a generic modal creation system to standardize modal usage across the app. - Project postings lifecycle integration: Implemented comprehensive project postings workflow including detail/list views, closing postings, deleting postings, applying, and viewing applicants; added ability to add team members to postings for collaborative creation. - Stack search capability and project integration: Enabled search by tech stack and integrated projects across modules to improve discoverability and cross-linking. - Build system improvements: Stabilized the build process across environments and updated versioning to reflect releases, reducing build-time failures. Major bugs fixed: - User Authentication & API Integration: Fixed API integration issues, unified API URL handling, and corrected registration errors to improve sign-up/sign-in reliability. - Profile Box UI & Data Synchronization: Resolved UI glitches and data sync issues for profile information and cohort reflections. - Logout flow & validation messaging: Corrected logout redirect to login screen and clarified required-field validation messages to reduce user confusion. - Build stability and environment fixes: Resolved multiple build errors across environments and maintained consistent versioning; included a revert where necessary to stabilize builds. - Image and dummy data handling: Removed dummy project/study data and implemented default image fallback for error scenarios to prevent broken UI. Overall impact and accomplishments: - Improved user onboarding, authentication reliability, and post-creation workflows, enabling faster project collaboration and a better user experience. - Strengthened data integrity across profile information and cohort data, with UI consistency improvements. - Increased developer velocity through a stabilized build system, clear versioning, and reusable UI components. Technologies/skills demonstrated: - Front-end: React/JS/TS, modular component design, reusable modal architecture, and responsive UI polish. - API & data: unified API endpoints, error handling, and data synchronization for profile and postings. - Build & tooling: environment-agnostic build fixes, versioning, and release hygiene. - UX/UI: consistent modal patterns, navigation flow improvements, and robust error messaging.
February 2025
73 Commits • 11 Features
Feb 1, 2025Month: 2025-02 Key features delivered: - My Page carousel: Added a projects/studies carousel to My Page, enabling quick access to ongoing work and highlights for users. - Modal UI & Authentication: Implemented a login authentication modal and a generic modal creation system to standardize modal usage across the app. - Project postings lifecycle integration: Implemented comprehensive project postings workflow including detail/list views, closing postings, deleting postings, applying, and viewing applicants; added ability to add team members to postings for collaborative creation. - Stack search capability and project integration: Enabled search by tech stack and integrated projects across modules to improve discoverability and cross-linking. - Build system improvements: Stabilized the build process across environments and updated versioning to reflect releases, reducing build-time failures. Major bugs fixed: - User Authentication & API Integration: Fixed API integration issues, unified API URL handling, and corrected registration errors to improve sign-up/sign-in reliability. - Profile Box UI & Data Synchronization: Resolved UI glitches and data sync issues for profile information and cohort reflections. - Logout flow & validation messaging: Corrected logout redirect to login screen and clarified required-field validation messages to reduce user confusion. - Build stability and environment fixes: Resolved multiple build errors across environments and maintained consistent versioning; included a revert where necessary to stabilize builds. - Image and dummy data handling: Removed dummy project/study data and implemented default image fallback for error scenarios to prevent broken UI. Overall impact and accomplishments: - Improved user onboarding, authentication reliability, and post-creation workflows, enabling faster project collaboration and a better user experience. - Strengthened data integrity across profile information and cohort data, with UI consistency improvements. - Increased developer velocity through a stabilized build system, clear versioning, and reusable UI components. Technologies/skills demonstrated: - Front-end: React/JS/TS, modular component design, reusable modal architecture, and responsive UI polish. - API & data: unified API endpoints, error handling, and data synchronization for profile and postings. - Build & tooling: environment-agnostic build fixes, versioning, and release hygiene. - UX/UI: consistent modal patterns, navigation flow improvements, and robust error messaging.
December 2024
4 Commits • 2 Features
Dec 1, 2024December 2024 – Techeer-Hogwarts/frontend delivered key UX improvements and stability fixes focused on business value and maintainability. The team enhanced user authentication and signup with a Zustand-based global state for messages and errors, significantly improving error feedback, navigation consistency, and support for multiple experience types. UI refinements were implemented for Experience Item components, including a new btnPadding prop and default padding in ExperienceSection, enabling flexible styling across pages. A critical build fix was completed by adding the required props and event handlers to ExperienceItem, ensuring reliable rendering and interaction. These changes reduce user friction, accelerate onboarding, and strengthen frontend reliability and maintainability across the core user journeys.
4 Commits • 2 Features
Dec 1, 2024December 2024 – Techeer-Hogwarts/frontend delivered key UX improvements and stability fixes focused on business value and maintainability. The team enhanced user authentication and signup with a Zustand-based global state for messages and errors, significantly improving error feedback, navigation consistency, and support for multiple experience types. UI refinements were implemented for Experience Item components, including a new btnPadding prop and default padding in ExperienceSection, enabling flexible styling across pages. A critical build fix was completed by adding the required props and event handlers to ExperienceItem, ensuring reliable rendering and interaction. These changes reduce user friction, accelerate onboarding, and strengthen frontend reliability and maintainability across the core user journeys.
December 2024
November 2024
13 Commits • 4 Features
Nov 1, 2024November 2024 monthly summary for Techeer-Hogwarts/frontend: Delivered a centralized search experience, secured user access with robust authentication flows, improved interaction details for dropdowns, and completed internal UI/storybook refactors to enhance maintainability and reuse. These updates improved content discoverability, user onboarding and account recovery, and built a scalable UI foundation for future features, contributing to higher user engagement and reduced friction across the app.
November 2024
13 Commits • 4 Features
Nov 1, 2024November 2024 monthly summary for Techeer-Hogwarts/frontend: Delivered a centralized search experience, secured user access with robust authentication flows, improved interaction details for dropdowns, and completed internal UI/storybook refactors to enhance maintainability and reuse. These updates improved content discoverability, user onboarding and account recovery, and built a scalable UI foundation for future features, contributing to higher user engagement and reduced friction across the app.
Activity
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Quality Metrics
Correctness86.4%
Maintainability86.8%
Architecture81.0%
Performance83.0%
AI Usage21.2%
Skills & Technologies
Programming Languages
CSSHTMLJSONJavaScriptReactSVGTypeScripttsx
Technical Skills
API DevelopmentAPI IntegrationAccessibilityAuthenticationAuthentication FlowAxiosBug FixingBuild ConfigurationBuild ToolsCSSCSS StylingCode ConsolidationCode OrganizationCode RefactoringCode Reusability
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline