HR & Payroll Lab
Study project · Spring Boot 3.5 + SQL Server
People, time and pay
in one small system.
431 Employee data
439 Payroll calculation
432 Work history
440 Salary deductions
433 Employment contracts
441 Social security
434 Sick / personal / vacation leave
442 Personal income tax
435 Overtime pay
443 Payslips
436 Attendance
444 Provident fund
437 Clock in / out
445 Performance review
438 Shift schedule
Demo data: 24 employees, payroll January - September 2026.