- Integrated Redux and MobX on a number of React-based front-end projects for the better state management of React components. - Integrated Vue.js, Vuex, and Vuetify with a Laravel back-end. - Implemented a GraphQL-and-Apollo server for a React-and-Vue.js front-end data query

- Fixed problems in the admin dashboard panel when loading the renter list appears with Datatables. - Built rental page as responsive UI interface using Bootstrap and Tailwind Css Framework. - Created a new customized chart library using Javascript. - Exchange UI theme of admin dashboard page to material ui theme.

- Built a front-end widget that is added as a single external script to an HTML page but works as a big library using vanilla JavaScript and jQuery. - Implemented a web scrapping and browser controlling app for automated management of sites using Puppeteer and Apify. - Integrated Elasticsearch with the existing MySQL for better database handling and performant querying. - Implemented a real-time chatting platform-building AI-based chatbot with Socket.IO and Dialogflow.