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MJM is a leading workshop in Malang that focuses on car repairs and is known for its reliable reputation and quality service on Jl. Lake Tondano Raya F5/A26, Sawojajar. These workshops offer a variety of services, from engine to car body repairs, which makes manual transactions difficult and time-consuming due to increased service and cost complexity. This research aims to simplify transaction and operational processes in MJM workshops by developing supporting applications that include recording customer transactions, spare parts stock management, monitoring employee attendance, and mechanic payroll. The information technology provided can improve service quality, optimize operations, strengthen competitiveness, enable a sustainable approach, increase data accuracy, and support more timely decisions. The methodology used is waterfall, which follows a certain flow process starting from requirements analysis, planning, design, software development, testing, to the maintenance stage. The research focus is on the initial development of the system to ensure that the system functions well in the maintenance phase. The Operational Management Information System designed for MJM workshops includes important features such as recording spare parts, purchase and sale transactions for spare parts, service and car wash transactions, stock taking records, management of damaged or lost goods, stock cards, cash flow, and reports. transaction. This system is expected to reduce manual errors, provide better service, and improve overall operational performance.    

The university's payroll process includes information about various employees, including lecturers and administrative employees with varying details such as personal data, position and salary information. This research is focused on rebuilding the payroll application due to several shortcomings or challenges associated with the existing application. This research presents a detailed investigation into the design, implementation, and evaluation of a payroll application tailored for the university environment. This research covers main aspects such as use case analysis, relational database schema, application display and testing. Use case analysis begins with identifying and understanding the various scenarios and requirements specific to a university payroll system. Through thorough exploration of user roles, system functionality. Relational database schemas are designed to efficiently store and manage complex payroll data, ensuring accurate and efficient processing. Compatibility testing plays an important role in ensuring the integration of payroll applications with existing systems. This research performs black-box testing to test application functionality and application compatibility testing with various hardware configurations, operating systems, and web browsers to ensure optimal performance and accessibility. The results of this research contribute to the advancement of payroll management and provide guidance for the development of deep payroll applications in universities.