❚ Social Media Monitoring and Analytics / 2022.05 ~ 2023.09 A SaaS tool, for monitoring social media platforms and news media, analyzing data, and generating business reports. Responsibilities & Achievements: ◍ Refactored the core product's multilingual functionality (zh & en), addressing issues such as lack of modularization, untranslated content, and repeated translations. ◍ Developed a new system, managing product roles (organization, team, users, guests), permissions, time-limited invitation codes, basic information, etc. ◍ Maintained the multilingual official website (zh & en) and GitLab CI script. Skills: Angular · AngularJS · TypeScript · Tailwind CSS

❚ Wafer Robot Arm Simulator Prototype / 2021.11 ~ 2022.01 It's teamwork on the project, to simulate a robotic arm executing processes based on imported instructions, with different states displayed for each wafer processing chamber (all in 2D drawing). Responsibilities & Achievements: ◍ Utilizing Two.js (JavaScript 2D drawing library) and GSAP (JavaScript animation library) to draw the machine, processes, and states. ◍ Using the Law of Sines and Angular Velocity to calculate the coordinates and movement angles of a three-axis robotic arm. ◍ Conducting requirement interviews, and creating development and acceptance documents (feature descriptions, code architecture diagrams, etc.). ◍ Implemented the project management tool GitHub Projects to centralize the management of weekly progress and task cards. Skills: Vue.js · Two.js · GreenSock Animation Platform (GSAP)

❚ Year-End Party Gaming Platform / 2021.11 ~ 2021.12 It's teamwork on the project, allowing the organizer to create multiple event rooms. Room admin can configure chat room rules (banned words, mute list), game types, game prizes, hosts, and audience lists. Responsibilities & Achievements: ◍ Implemented a real-time chat room with message filtering rules, utilizing Firebase for server real-time queries distribution. ◍ Implemented a prize quiz game, utilizing Pusher (WebSocket library) to synchronize the audience's game progress (host announces answers, list of correct answers). ◍ Coordinated internal testing of the game, planned testing steps to guide testers (more than 10). Skills: Vue.js · Firebase · WebSocket

❚ Small-Scale Stock Analysis System / 2020.04 ~ 2020.11 It's teamwork in Phase 1 of the project and independent work in Phases 2-3, involving user registration, admin review of accounts and permissions, financial statements and profit analysis charts for companies (browsing, searching), and user saving of research reports and news. Responsibilities & Achievements: ◍ Implemented line charts using Chart.js (JavaScript charting library) and a document editor using CKEditor 4 (WYSIWYG HTML editor). ◍ Conducting requirement interviews, and creating development and acceptance documents (wireframes, terminology glossary, financial formulas, etc.). ◍ Implemented the project management tool TeamGantt to centralize the management of schedule progress (Gantt chart) and issues (cards). Skills: Vue.js · Chart.js · CKEditor4

❚ Fund Trading System / 2019.10 ~ 2020.03 It's teamwork in Phase 1-3 of the project, for allowing users to upload identification photos for account opening, taking Investment Risk Assessments, conducting fund transactions (browsing, searching, placing orders), and managing account deposits and withdrawals. Non-registered users can access certain features. Responsibilities & Achievements: ◍ Implemented high-precision decimal calculations using bignumber.js (JavaScript arbitrary-precision arithmetic library), avoiding floating-point problems when calculating amounts. Skills: Vue.js · bignumber.js