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for the spam/profanity filter used by the company's online chat rooms, leading to an overall accuracy improvement by nearly 10%, and the precision of identifying messages that should be filtered has significantly increased from 5x% to nearly 90%, reducing the number of messages mistakenly filtered and enhancing user experience. Refactored and optimized the performance of chat room real-time conversation monitoring system. Significantly shortens the time it takes for personnel to wait for certain operations to be completed, from several minutes to within one minute. Greatly reduced the system's resource consumption and the

Jay Chang Passionate about continuously learning new technologies or skills. Kaohsiung City, Taiwan Work Experience Backend Engineer • Wistron Corporation. JunePresent Node.js/ React.js/PostgreSQL/Azure K8S Started as a Scrum Tech Lead in AugustCollaborating with Product Owners and users to confirm requirements. Establishing defining frameworks and guideline for code quality and consistency. Participating in meetings to share development experiences and engage in technical discussions. Implemented automation testing through Jest and Playwright. Engineer • HAMASTAR Technology. JulyJune 2022 ASP.NET Core/Vue. js/SQL Server

●Hands-on experience on Web-Based Application Testing. ●Hands-on experience on Android Application Testing. ●Extensively involved in Automation testing, System testing, System Integration testing and Regression testing. ●Good Knowledge of Software Development Life Cycle (SDLC) and Software Testing Life Cycle (STLC) and Defect life cycle. ●Experience in different levels of Testing- Integration, System, Functional, User Acceptance testing, Regression testing, System testing. ●Good analytical skill in understanding/analyzing the requirements. ●Experienced in Writing Test cases based on Test scenarios and for Change Requests, Execution of Test Cases, Creating test data. ●Interacting with