Whitelabel HRMS Urgent Requirement

I'm looking for a whitelabel HRMS primarily focused on payroll management, with essential features for employee management and multiple user roles.

Key Requirements:

1. Employee Onboarding

Offer letter templates
Employee Agreement
Employee document upload
Employee Joining letter templates

2. Employee Management:

Geo location integrated attendance / Should be compatible with Physical thumbprint machines
Employee View with custom fields
Salary hike letter templates
Payslip management
Employee reimbursement management/
Hike letter
Tax Calculation/Investment Declaration/Investment Proofs

3.Employee Relieving

Relieving letter templates
Exit forms
Experience letter

4. Tax- investment calculation

Ideal Skills and Experience:
- Proven experience developing or customising HRMS
- Strong understanding of payroll systems
- Experience with employee tracking and performance review systems
- Ability to design for multiple user roles
- Whitelabel solutions experience preferred