1. Refactoring and Performance OptimizationSuccessfully refactored the consultation function by extracting steps into independent functions, reducing code by 500-800 lines. Conducted an in-depth optimization of internal UI library rendering, improving performance from handling 2,000 records to over 200,000 records smoothly.2. Establishing Project Architecture and StandardsDesigned and established the new project architecture based on old project development experience, streamlining the overall structure and enhancing 15% of development speed. Created and documented coding style and folder structure for the new project.3. Proactive Issue Resolution and Tool ImplementationProactively identified and discussed potential issues during the development of new features, ensuring functionality quality and reliability. Researched and integrated various tools during the new project construction, resulting in a more efficient and stable project.4. Team Support and Knowledge SharingDeveloped auxiliary tools and instructional documents to assist team members unfamiliar with front-end development in the project, accelerating their onboarding process. Documented and shared knowledge of new technologies and lessons learned from defects, fostering a culture of continuous learning and improvement within the team.

1. Vue.js Development for HIS System:Responsible for frontend development of Healthcare Information System (HIS) using Vue.js. Utilized Vue.js to create user interfaces, enhancing user experience. Ensured smooth functionality of the system while improving intuitiveness and performance of the user interface.2. Testing for Reliability Assurance:Authored Unit Tests and E2E Tests to ensure code reliability and stability. Conducted Unit Tests to validate individual component and feature correctness, supplemented by E2E testing to simulate real-world usage scenarios. These tests ensured proper system operation under various conditions, minimizing errors and vulnerabilities.3. Collaboration with Designers for Component Library:Collaborated closely with designers to develop an internal proprietary component library. These components maintained consistent appearance and style, enhancing development efficiency. Through the component library, rapid interface construction was facilitated, ensuring a unified look and feel across the system.4. Implementation of Complex Medical Workflows and Scalability Assurance:Undertook the implementation of intricate medical workflows, ensuring the system's seamless operation to meet healthcare operational needs. Simultaneously, incorporated scalability considerations during development to accommodate future feature expansions. This encompassed appropriate architectural design and coding practices, guaranteeing maintainability and extensibility for subsequent development efforts.

1. Designed and built a GatsbyJS template to reduce project development time2. Used Storybook to build scalable and reusable components to improve repetitive work and increase development efficiency3. Guided the mentee to familiarize himself with the projects and learn React4. Worked on improving web performance by optimizing algorithms and reduce page rendering times

1. Built an event promotion website, login via Google or Facebook and provide RWD to match any size device2. Used React Native to build app for both IOS and Android platforms

1. Built a PWA game introduction website, which can be downloaded on mobile phones and push notifications to users when newgames are released2. Used NodeJS to connect with MariaDB and wrote CRUD restful api to operated database data