- Participated in the development of the company’s internal news release system, improving the efficiency and accuracy of the release process. - Collaborated with the backend team to develop the company’s internal attendance management system. - Developed the company's official website, focusing on enhancing user experience and website performance. - Independently designed and developed a decentralized application (DApp) based on blockchain technology for a message board. - Wrote and deployed smart contracts on the Goerli Testnet, enabling decentralized data storage and management. - Independently integrated MetaMask for third-party login in the employee system.