JuanMart is a mobile-first barangay marketplace app built for Filipinos — connecting local sellers and everyday customers within their communities. From fresh produce to homemade goods and essential items, JuanMart highlights a neighborhood-driven shopping experience centered on trust, accessibility, and simplicity. This case study showcases the complete end-to-end process: from user research insights and wireframes, to intuitive navigation flows and seamless checkout screens. It emphasizes a clean grid system, reusable UI components, and interaction patterns designed to make buying and selling more community-focused. Explore high-fidelity screens, thoughtful design decisions, and a UX approach that reflects the realities of local commerce, addressing challenges such as affordability, convenience, and digital inclusivity.