I designed the UI, UX, and programmed Anello, a marketplace app for second-hand online shopping. The goal of the project was to create a seamless, user-friendly experience that encourages sustainable consumption by making it easy to buy and sell pre-owned goods. In designing the UI, I focused on simplicity and clarity, ensuring that users can easily navigate categories, browse items, and complete transactions. The visual design emphasized a clean, minimalistic aesthetic to make the content stand out and enhance the overall shopping experience. The UX design centered on smooth user flows, from product discovery to checkout, with intuitive features like smart search filters and easy listing tools for sellers. I also implemented secure payment systems and a personalized dashboard for tracking purchases and sales. Anello balances functionality and style, creating an accessible, enjoyable platform that promotes eco-conscious shopping.