Family of 4 looking for helper

My husband and I are looking for a helper with finished contract. We have two daughters (3 years old + 9 months old). Salary $5500+ (negotiable if good reference can be provided) Duties: - Cooking (simple Chinese dishes and baby food) - Washing dishes and bottles - Hand wash baby napkins and baby thin clothes - Laundry - Cleaning the house - Taking care of children but only occasionally Requirements: - Currently in Hong Kong is a must - Finished contract is a must - Available within next 3 months - Two years of work experience in Hong Kong Living arrangements: - 3-room apartment 750sq ft - Individual helper room with window, bunk bed, individual toilet