
Worked on the NYCU-Service-Learning/nanao-system repository to deliver Google and LINE account linking features, enabling users to connect third-party accounts to their profiles with robust backend flows and intuitive frontend UI. Implemented conflict handling and safeguards to prevent admin accounts from merging with user accounts, preserving access control and data integrity. Addressed issues such as profile re-rendering after social login by refining React component dependencies. Utilized TypeScript, Node.js, and React to integrate OAuth and API-based authentication, improving onboarding, reducing duplicate profiles, and ensuring reliable user identity management across authentication flows while maintaining consistency and security throughout the system.
December 2024: Implemented LINE account linking and merging for user profiles, including UI flow, backend LINE ID storage, and data merge when a LINE-linked account is attached. Fixed a re-render issue in the profile component after social login by correcting a missing dependency in useEffect. Improved user identity integrity and data consistency by enabling LINE-based linking and merges, strengthening onboarding and reducing duplicate profiles. Demonstrated frontend (React), backend data handling, and cross-functional collaboration to deliver business value.
December 2024: Implemented LINE account linking and merging for user profiles, including UI flow, backend LINE ID storage, and data merge when a LINE-linked account is attached. Fixed a re-render issue in the profile component after social login by correcting a missing dependency in useEffect. Improved user identity integrity and data consistency by enabling LINE-based linking and merges, strengthening onboarding and reducing duplicate profiles. Demonstrated frontend (React), backend data handling, and cross-functional collaboration to deliver business value.
November 2024 monthly summary for NYCU-Service-Learning/nanao-system. Delivered Google Account Linking and Profile Integration with a frontend GoogleLink button and a robust backend flow to link Google accounts to user profiles, including conflict handling and robustness improvements. Implemented Admin/User account separation during third-party login to prevent admin accounts from being merged with user accounts, preserving admin roles and access control. Key commits include 2dbec31e6fa3448497d3448f28ac5a447d506390 (add linkGoogleAccount to auth.service), c23209ef84d97f4555f92db544ad776f92c0c5a1 (GoogleLink button and linking flow), 92e9089cb54598a2665a821c82207fe885db4a2f (fix linking error), and 7972c18c82bc1cfee43ed2de9ce73bc0f9b284b4 (prevent admin accounts from being merged into user accounts). This work improves onboarding with Google login, strengthens access control, and reduces risk of incorrect account merges. Technologies/skills demonstrated include TypeScript/Node.js backend, OAuth third-party login flows, frontend UI integration, conflict resolution and robust error handling. Business value includes smoother user onboarding, improved security, and greater data integrity across authentication flows.
November 2024 monthly summary for NYCU-Service-Learning/nanao-system. Delivered Google Account Linking and Profile Integration with a frontend GoogleLink button and a robust backend flow to link Google accounts to user profiles, including conflict handling and robustness improvements. Implemented Admin/User account separation during third-party login to prevent admin accounts from being merged with user accounts, preserving admin roles and access control. Key commits include 2dbec31e6fa3448497d3448f28ac5a447d506390 (add linkGoogleAccount to auth.service), c23209ef84d97f4555f92db544ad776f92c0c5a1 (GoogleLink button and linking flow), 92e9089cb54598a2665a821c82207fe885db4a2f (fix linking error), and 7972c18c82bc1cfee43ed2de9ce73bc0f9b284b4 (prevent admin accounts from being merged into user accounts). This work improves onboarding with Google login, strengthens access control, and reduces risk of incorrect account merges. Technologies/skills demonstrated include TypeScript/Node.js backend, OAuth third-party login flows, frontend UI integration, conflict resolution and robust error handling. Business value includes smoother user onboarding, improved security, and greater data integrity across authentication flows.

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