Scaling a system is a hard problem to solve. Underinvesting in scalability leads to a shortened lifespan for the system, but ...

Kai Tu, Abdullah Al Ishtiaq, Syed Md Mukit Rashid, Yilu Dong, Weixuan Wang, Tianwei Wu, and Syed Rafiul Hussain, Pennsylvania State University ...

The system supports role-based access control with JWT authentication, automated payroll generation, and email notifications for payslip approvals. It uses Spring Data JPA for database interactions ...