<![CDATA[RM Minang Raya still carries out most of its transactions manually, which risks payment calculation errors, slows service during peak hours, and complicates sales data management. This study aims to design and build a web-based cashier application using the Agile Scrum method and to evaluate its usability using the System Usability Scale (SUS). The study applies a Research and Development (R&D) approach, with system development carried out through the Scrum framework across three sprints over four weeks. Usability evaluation was conducted on five active users through a SUS questionnaire after all application functions had been fully implemented. All fifteen user stories were successfully implemented, covering the authentication, menu management, transaction, and sales reporting domains. Usability testing yielded a mean SUS score of 75.0, within the Acceptable category, indicating that the application offers a good level of ease of use and is well received by its users. The application of Agile Scrum combined with usability evaluation proved capable of producing a web-based cashier application aligned with RM Minang Raya's operational needs, and it may serve as a reference for developing cashier systems for MSMEs with similar characteristics.]]>
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