Involved in various phases of SDLC for requirement gathering, analysis, design, development, and testing with a
team to develop new features of a video platform (protoplay.tv) in JavaScript and HTML/CSS.
◦ Reconstructed follower management system and integrated the metadata of video contents, subscriptions, and
followers for video creators to inspect and manage their channels and communities efectively.
◦ Designed, developed, and tested HTML, jQuery, and JavaScript using QUnit to perform a 100% coverage unit test
that meets accessibility and web browser standards for the website.
◦ Supported the development team to migrate the platform’s jQuery-based frontend to React.js to decrease the
33% site load time and enhance code reliability and readability.

Constructed a browser-based data management system to enable user to search, upload, delete and edit.
◦ Designed and implemented the UML and Java class of the relational model and database schema to ensure clear
dependency in tables from MySQL, efficient usage of fields, and reduced querying time in the backend.
◦ Participated in cleaning data, deploying database Aliyun to avoid potential data loss, defining ETL workflows with
external data source for business analysis and insights.
◦ Built the Data Access Layer(DAO) for all the classes using JDBC, view components of the application using JSP,
and server using Apache Tomcat, in order to achieve the core features of the application such as login,
registration, data CUDR operations, and advanced search function.