Developed & designed "AI Baby Board Book" website using React and Next.js for interactive parent-child reading content, integrated with Leonardo.Ai API, Firestore as database, deployed on Vercel. Demo Link: https://baby-board-book.vercel.app/

Built a full-stack e-commerce site with JavaScript, HTML, CSS, Python Flask, MySQL, and integrated TapPay credit card payment API, deployed on AWS EC2. Demo Link: http://13.112.47.131:3000/

Created a React accounting application with useState hook and Firestore as the database, deployed on Vercel

Collaborated with 5 team members, using Git for version control, and developed a weather web application. Used JavaScript to get user location and fetch open weather data

Optimized new user registration process, increased registration conversion rate by 10%

Integrated Passkey identity verification in the login process to provide faster and more secure verification, and reduced SMS verification volume by 52%

Designed and developed Crypto WODL game, which gained 4.6 million unique visitors within six months and had a 7-day retention rate of 90%, higher than the 80% of the entire Binance.com site

Planned video editing Android & iOS App product strategy and features, increased product usage by 442% and revenue by 158%

Designed photo editing Android & iOS product strategy and features, managed development schedule, and increased subscription user revenue by 34%

Designed and planned AI image processing features and UI processes, helping product revenue grow by 26% and reducing subscription user churn rate by 10%