The Employment Pass (EP) allows foreign professionals to work in Singapore. It applies to foreigners with recognised qualifications who earn a minimum fixed monthly salary of S$4,500 (with effect from 1 September 2020) and S$5,000 per month if you work in the financial sector (with effect from 1 December 2020).
You can use the Self-Assessment Tool (SAT) provided by Ministry of Manpower to check if the applicant meets the requirements.