Domestic Helper in Hong Kong

Hi, we are a family of 6, Canadian dad, Chinese mom, Chinese grandparents and 2 little girls. You will have your own room, Grandparents can take care of themselves. Both me and my husband have full time job. Your job including the following:

1. Cooking 3 meals 3 days a week, or as required;
2. Doing housekeeping, laundry, ironing, or other household duties;
3. Taking care of the girls, age 2 and 4, both in am class, you need to take them to the school bus in the morning and pick them up from school bus in the noon. Tie their hair, help them to wash face, brush teeth, change proper uniforms. Take them out to the playground and look after them in the afternoon. Prefered tutoring them English and Maths homework, and take girls to afterschool activities.