I need to create a payroll application with all related items such as leave management, grades and salary scale, loans, etc.
system should be 3 layers, presentation layer to be web (can be any platform), application layer to be Rest\Json and database (supported databases should be at least Oracle, MS SQL server, MySQL\MariaDB).
database should not contain any procedures, functions.
budgets to be discussed late
to make things simple, I am using Oracle Fusion HCM as my guide line. you can search for that simply, sure not all modules and not all complex, but
Organizational chart (Enterprise, Division, Legal entity, Business unit, etc ).
HR (people and other parts)
grades, steps and ladder.
simply you can find it on net, attached is a document which have high level topics.
so please if you think you are capable for such project let me know to go to next step.
knowing that the system should has capability to be configure to cover all legislation part related to payroll and HR