About

Jiayi Xin is a skilled Frontend Engineer with 2 years of experience in front-end web development and a total of 6 years of academic background in computer science. Currently working at Dropbox as a Frontend Engineer, Jiayi has previously worked with Tron Foundation and DLive as a Frontend Engineer. At DLive, Jiayi was the lead front-end developer and built a large-scale live streaming platform from scratch. Jiayi developed the whole website using Vue.js, React.js, Typescript, node.js, and Webpack. Jiayi designed the GraphQL schema structure and used GraphQL and REST to fetch data from the backend. Jiayi also built and maintained their own UI library including the customized theme, styles, and components used across the site, providing the dark mode for the whole site, with CSS3, Stylus, and Storybook. Jiayi also developed the responsive page and the mobile version across different browsers. Jiayi wrote unit testing with Jest framework and used Git and Github to make version control, and GitLab to run CI/CD pipeline. Jiayi optimized to have low CPU usage even under 1k+ chat message per second and increased the website loading speed through implementing Server-Side-Rendering, lazy load files, reducing image size, and combining requests. Jiayi also developed web notification using Service Worker and improved SEO ranking of the website by creating sitemaps, improving meta info, properly using html tag, and implementing Server-Side-Rendering. Jiayi worked closely with the UX, Visual Designers, and API, backend engineers to build a highly engaging UI that predicts and exceeds user expectations. Jiayi also worked closely with the product management team to understand user needs and managed web cache by using Apollo Cache, Vuex, and localStorage. Jiayi's technical expertise includes languages such as HTML5, JavaScript, JQuery, CSS3, SQL, Java, and C++. Jiayi has experience working with frameworks such as Vue.js, React.js, Bootstrap, Spring MVC, RESTful web services, and Mobx. Jiayi's development skills include Web development, Object-Oriented Programming (OOP), Data Structures, Android application development, Algorithm, Software lifecycle, and Data Analysis. Jiayi has worked with software such as WebStorm, Eclipse, Android Studio, Visual Studio, Oracle Developer Database, Microsoft Office, Git, Chrome Dev Tools, Postman, and