Supermarkets have always been a grocery shopping hotspot for all age groups. This initiative aims to improve both the customer and employee experiences in supermarkets by making them quicker and more effective. In order to prevent a chaotic supermarket environment, we sought to learn how multi- department stores operate from the perspective of employees. On the customer side, we strived to comprehend various scenarios and shopping tasks. In addition, we created a solution by designing a mobile application (SpeedCart). We began our pilot study by brainstorming, observing, conducting unstructured interviews, and affinity mapping. We utilized user personas, user journey maps, empathy maps, and structured interviews to enhance our research. After analyzing the users need and problems, we used scenario mapping to suggest a solution, followed by the card sorting technique to analyze the task flow and come up with a viable information architecture for the mobile application. In this paper, we designed a mobile application to provide better shopping experience through various features such as simplifying the process for them to spot product lines, claim vouchers, avail discounts, and ease in billing process. Furthermore, supermarket employees get an ease in dealing with customer’s queries, interaction with other staff members, and update attendance records. The manager can easily organize meetings, give adequate reminders, and deal with miscommunications. Employees can access information such as remuneration details and their status regarding leave requests.