• Assist in the check and acceptance of outsourced projects for Hotaigo (https://www.hotaigo.com.tw/), providing optimization suggestions and bug tracking. • Implement comprehensive integration of internal OAuth • Collaborated with one PM to develop a brand-new, unreleased system, engaging in discussions for system planning. • Develop project shared components and establish color scheme, font, layout and coding style rules

• https://marketing.pro.104.com.tw/index.html • https://hrmall.104.com.tw/ • Developed a brand new website for B2B e-shop, 104 HRmall, which offers the company's HR courses to train internal employees, including front-end and back-end. • Maintain and develop new features on 104 Pro. This website offers a platform for company internal communication, HR daily work support, employee attendance management, salary calculation, etc. • Reduce unnecessary waste of cost, i.e. unnecessary API calls, unfit resources, serverless, minimize 3rd party packages. Reduce cost by 20% and speed up by 25% response time . • Handling cross-department collaboration projects, including account integration and synchronization, cross-product login, remote backup drills, marketing cooperative advertising, etc.