Employee Self Service (ESS) is an online platform where the employee has the flexibility to access the system and avail the services provided by the company as part of the Self Service. Employee Self Service helps employees to perform numerous job related functions independently and as part of an approval workflow. ESS, which is an essential tool available in modern HRIS, allows employees to take care of many human resources related and job related tasks that would otherwise need to be completed by the Human Resources personnel or management.blog