woowacourse-teams/2025-ah-madda
Jul 2025 – Oct 2025
4 Months active
Languages Used
CSSHTMLJSONJavaScriptMarkdownN/AReactTypeScript
Technical Skills
API IntegrationAWS S3AccessibilityAsset ManagementBuild ConfigurationBuild Scripting
keemsebeen
PROFILE
Keemsebeen
Sebin contributed to the woowacourse-teams/2025-ah-madda repository by building a scalable, component-driven frontend that supports event management, group organization, and real-time user interactions. Using React and TypeScript, Sebin established a robust design system, integrated API-driven data flows, and implemented features such as infinite scrolling, PWA support, and modal-based workflows. The work included accessibility improvements, performance optimizations with code splitting and lazy loading, and automation of CI/CD pipelines. By refactoring legacy code and standardizing UI components, Sebin improved maintainability and user experience, enabling faster feature delivery and smoother onboarding for both end users and future developers.
Overall Statistics
Feature vs Bugs
82%Features
Repository Contributions
140Total
Bugs
18
Commits
140
Features
80
Lines of code
26,194
Activity Months4
Your Network
4 peopleShared Repositories
4
Work History
October 2025
37 Commits • 23 Features
Oct 1, 2025October 2025 (2025-10) delivered high-value frontend improvements and debt reduction across the main app, aligning UX, accessibility, and performance with business goals. Notable outcomes include infinite scrolling on listings, enhanced date utilities for localization, standardized loading states, and UI/accessibility refinements that improve onboarding and engagement. These changes reduce friction for users and lower future maintenance costs.
37 Commits • 23 Features
Oct 1, 2025October 2025 (2025-10) delivered high-value frontend improvements and debt reduction across the main app, aligning UX, accessibility, and performance with business goals. Notable outcomes include infinite scrolling on listings, enhanced date utilities for localization, standardized loading states, and UI/accessibility refinements that improve onboarding and engagement. These changes reduce friction for users and lower future maintenance costs.
October 2025
September 2025
8 Commits • 4 Features
Sep 1, 20252025-09 monthly summary for woowacourse-teams/2025-ah-madda focusing on delivering high-impact frontend features, stabilizing user flows, and strengthening performance and UX. Major work spanned Event Management enhancements, Group/Space Organization capabilities, and interactions around pokes, with targeted performance optimizations across assets, routing, and UI skeletons. Deliverables include API-integrated event state separation, group-based space joining, a modal-based poke messaging workflow, and broad UI/UX performance improvements. These changes collectively reduce friction for organizers and participants, improve navigation and responsiveness, and enable scalable participation within organizational spaces.
September 2025
8 Commits • 4 Features
Sep 1, 20252025-09 monthly summary for woowacourse-teams/2025-ah-madda focusing on delivering high-impact frontend features, stabilizing user flows, and strengthening performance and UX. Major work spanned Event Management enhancements, Group/Space Organization capabilities, and interactions around pokes, with targeted performance optimizations across assets, routing, and UI skeletons. Deliverables include API-integrated event state separation, group-based space joining, a modal-based poke messaging workflow, and broad UI/UX performance improvements. These changes collectively reduce friction for organizers and participants, improve navigation and responsiveness, and enable scalable participation within organizational spaces.
August 2025
41 Commits • 27 Features
Aug 1, 2025Month: 2025-08 Key features delivered: - Button design system integration: Apply design-system-driven Button across the UI to ensure a consistent look-and-feel and accelerate frontend iterations. Commit: f89c6364528923943e4b7f42a740434d06442434 - PWA setup: Initialize PWA settings, service worker scaffolding, and manifest.json to enable offline capability and installability. Commits: 133bb6c33c37c5126e52cbe72c06c1a796053f08; f34694ba18a8c3b6e245041ecb972e4c4f603c6d; 9ee4a53304a744dcf33eb013e7362349f13f7899; 0a65e81d22d813d36ad5c6b779dc70dfd2dee44b - Event management enhancements: Event cancellation feature; Attendance capacity modal redesign and hook refactor; Event host API verification; and Event statistics publishing with API connections to improve operational control and data insights. Commits: 96f996a785633dd0369664b13faff16fde7efdcb; a5fd507804cece3960d82a17e0ae378842895bdc; 453fe5a98b93b69f30d477157385a9393307d975; 44463799de4bbcc0faea81dfd56b16ebb88905e0 - API stability and data layer improvements: ky -> fetch migration for all API calls, and notification API path updates to standardize calls. Commits: 5e81764a83e443b1c25f0b6640b377bc9a070b4a; 55744c9ae0593aa4349ef5a6821f2cb3806f536d - Admin and UX enhancements: Checkbox component with Storybook, Admin email sending via checkboxes, UI/UX enhancements including toasts, pre-question gating, and copy updates; favicon and page redesigns to improve perceived performance and branding. Commits: 6e311b36ff79477aa011740e1be6ea96e11f644a; 4289c3c7905bedf8a0dc14b20be3dc9a5329519d; d8c1d4236c33ba1d63f943338664219403ba657c; 55d86a27fd36c23ba63137b984f42847c75d0a6f; cab78d41a3f3bcb511e5199c8d72aa24a34a709f; 88c889ecdd20ec73891b2fa4a51d6d6cb76a33cc - Platform readiness: Manifest, FAQ, and UI changes to support mobile invitations and iOS PW A flows; UI/UX refinements for alert-to-toast, and improved copy; mobile invite copy fixes. Commits: f34694ba..., 340486d1..., 575d8c79..., 04f872757672de..., 02a87b85..., bd081a621996af4481fe953a4365fd7b2d4fab70 Major bugs fixed: - No FCM token when not logged in: Prevent token requests when user is unauthenticated, reducing unnecessary calls and potential privacy exposure. Commit: ab54f1b10f036c887763c98cd66a95b2ba584c5d - Mobile invite copy issues: Fixes to ensure invite code copying works reliably on mobile devices. Commits: b3e514f1b422fc59944234177a962c344cbec394; 575d8c79e8f4d62744a89295312a408db7366b8b - Header Storybook error: Stabilize design-system docs by fixing Storybook error. Commit: bab0aaa80aaa9926c69aeae6b03758020242d829 - API flicker issue: Resolve flicker during API calls and related UI flicker behavior. Commit: bbee84ad85aa3b7a5018dfca47ee663c89f4b2f5 - UI badge layout with many participants: Fix vertical elongation of badges when many attendees. Commit: 02a87b85da0626cff3dc0f6c892c29a2c1c7f1bd - Notification length limit: Enforce character limit on notification messages to prevent overflow. Commit: bd081a621996af4481fe953a4365fd7b2d4fab70 - Notification API path change: Align notification API path for consistency. Commit: 55744c9ae0593aa4349ef5a6821f2cb3806f536d - Maintenance messaging: Update and then remove maintenance text to reflect current state. Commits: 340486d1a066ab947612434a7155994d67539e4b; d9b525ba9b2526dfbd4e3f343df770b83d044733 Overall impact and accomplishments: - Significantly improved user experience and reliability with offline capabilities and a more polished UI, while accelerating feature delivery via a design system and modern frontend stack. Improved admin efficiency through streamlined invitation, email dispatch, and host validation flows. Reduced API noise and flicker, leading to smoother user interactions and higher perceived performance. Technologies/skills demonstrated: - Frontend: React/TypeScript, design-system adoption, Storybook, responsive UI/UX, toasts and accessibility-minded improvements - Architecture: PWA concepts (service workers, manifest), webpack-based env separation, dev/prod environment tuning - Networking: ky to fetch migration, API connectivity patterns, and notification path standardization - Data/Automation: Admin workflows (InviteCode, checkbox-based email dispatch), FCM integration, event statistics publishing - QA/Testing: Added tests for event list and related flows; robust UI behavior validation
41 Commits • 27 Features
Aug 1, 2025Month: 2025-08 Key features delivered: - Button design system integration: Apply design-system-driven Button across the UI to ensure a consistent look-and-feel and accelerate frontend iterations. Commit: f89c6364528923943e4b7f42a740434d06442434 - PWA setup: Initialize PWA settings, service worker scaffolding, and manifest.json to enable offline capability and installability. Commits: 133bb6c33c37c5126e52cbe72c06c1a796053f08; f34694ba18a8c3b6e245041ecb972e4c4f603c6d; 9ee4a53304a744dcf33eb013e7362349f13f7899; 0a65e81d22d813d36ad5c6b779dc70dfd2dee44b - Event management enhancements: Event cancellation feature; Attendance capacity modal redesign and hook refactor; Event host API verification; and Event statistics publishing with API connections to improve operational control and data insights. Commits: 96f996a785633dd0369664b13faff16fde7efdcb; a5fd507804cece3960d82a17e0ae378842895bdc; 453fe5a98b93b69f30d477157385a9393307d975; 44463799de4bbcc0faea81dfd56b16ebb88905e0 - API stability and data layer improvements: ky -> fetch migration for all API calls, and notification API path updates to standardize calls. Commits: 5e81764a83e443b1c25f0b6640b377bc9a070b4a; 55744c9ae0593aa4349ef5a6821f2cb3806f536d - Admin and UX enhancements: Checkbox component with Storybook, Admin email sending via checkboxes, UI/UX enhancements including toasts, pre-question gating, and copy updates; favicon and page redesigns to improve perceived performance and branding. Commits: 6e311b36ff79477aa011740e1be6ea96e11f644a; 4289c3c7905bedf8a0dc14b20be3dc9a5329519d; d8c1d4236c33ba1d63f943338664219403ba657c; 55d86a27fd36c23ba63137b984f42847c75d0a6f; cab78d41a3f3bcb511e5199c8d72aa24a34a709f; 88c889ecdd20ec73891b2fa4a51d6d6cb76a33cc - Platform readiness: Manifest, FAQ, and UI changes to support mobile invitations and iOS PW A flows; UI/UX refinements for alert-to-toast, and improved copy; mobile invite copy fixes. Commits: f34694ba..., 340486d1..., 575d8c79..., 04f872757672de..., 02a87b85..., bd081a621996af4481fe953a4365fd7b2d4fab70 Major bugs fixed: - No FCM token when not logged in: Prevent token requests when user is unauthenticated, reducing unnecessary calls and potential privacy exposure. Commit: ab54f1b10f036c887763c98cd66a95b2ba584c5d - Mobile invite copy issues: Fixes to ensure invite code copying works reliably on mobile devices. Commits: b3e514f1b422fc59944234177a962c344cbec394; 575d8c79e8f4d62744a89295312a408db7366b8b - Header Storybook error: Stabilize design-system docs by fixing Storybook error. Commit: bab0aaa80aaa9926c69aeae6b03758020242d829 - API flicker issue: Resolve flicker during API calls and related UI flicker behavior. Commit: bbee84ad85aa3b7a5018dfca47ee663c89f4b2f5 - UI badge layout with many participants: Fix vertical elongation of badges when many attendees. Commit: 02a87b85da0626cff3dc0f6c892c29a2c1c7f1bd - Notification length limit: Enforce character limit on notification messages to prevent overflow. Commit: bd081a621996af4481fe953a4365fd7b2d4fab70 - Notification API path change: Align notification API path for consistency. Commit: 55744c9ae0593aa4349ef5a6821f2cb3806f536d - Maintenance messaging: Update and then remove maintenance text to reflect current state. Commits: 340486d1a066ab947612434a7155994d67539e4b; d9b525ba9b2526dfbd4e3f343df770b83d044733 Overall impact and accomplishments: - Significantly improved user experience and reliability with offline capabilities and a more polished UI, while accelerating feature delivery via a design system and modern frontend stack. Improved admin efficiency through streamlined invitation, email dispatch, and host validation flows. Reduced API noise and flicker, leading to smoother user interactions and higher perceived performance. Technologies/skills demonstrated: - Frontend: React/TypeScript, design-system adoption, Storybook, responsive UI/UX, toasts and accessibility-minded improvements - Architecture: PWA concepts (service workers, manifest), webpack-based env separation, dev/prod environment tuning - Networking: ky to fetch migration, API connectivity patterns, and notification path standardization - Data/Automation: Admin workflows (InviteCode, checkbox-based email dispatch), FCM integration, event statistics publishing - QA/Testing: Added tests for event list and related flows; robust UI behavior validation
August 2025
July 2025
54 Commits • 26 Features
Jul 1, 2025July 2025 highlights for woowacourse-teams/2025-ah-madda: Established a scalable frontend foundation, delivered core UI components, wired data fetching, and hardened release reliability through CI/CD improvements. Business value was achieved by accelerating feature delivery, improving UX with routing and event listing, ensuring accessibility, and enhancing developer velocity via automation and a cohesive design system.
July 2025
54 Commits • 26 Features
Jul 1, 2025July 2025 highlights for woowacourse-teams/2025-ah-madda: Established a scalable frontend foundation, delivered core UI components, wired data fetching, and hardened release reliability through CI/CD improvements. Business value was achieved by accelerating feature delivery, improving UX with routing and event listing, ensuring accessibility, and enhancing developer velocity via automation and a cohesive design system.
Activity
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Quality Metrics
Correctness90.4%
Maintainability88.6%
Architecture85.6%
Performance86.2%
AI Usage21.8%
Skills & Technologies
Programming Languages
CSSHTMLJSONJavaScriptMarkdownN/AReactTypeScriptYAMLejs
Technical Skills
API DesignAPI IntegrationAPI MockingAWS S3AccessibilityAccessibility (a11y)Asset ManagementAuthenticationAuthorizationBuild ConfigurationBuild ScriptingCI/CDCI/CD ConfigurationCSSCSS Reset
Repositories Contributed To
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