• Applied Design Thinking process, conducted 4 rounds of usability testing with small shop owners, and reduced data entry errors by 18% through iterative UI improvements.
• Designed 12 interactive wireframes and high-fidelity mobile prototypes, improving task completion time for sales and inventory recording by 22%.
• Built a structured Design System including reusable components, consistent typography, and color hierarchy, increasing UI consistency and clarity by 30%.
