Chinese family looking for helper

We are a Chinese family with 5 member with 3 children：    elder brother 13year（S1）, can take care of himself .    sister 7-8year(P2)  and  young brother 4-5 year(K1). We live 120sqm HDB(A kitchen, a living room, three bedrooms, two bathrooms), share a room with the sister;

Our job scope roughly as follows:

1. Cooking, housekeeping, child care, tutoring, marketing, Washing machine and hand wash children's underwear2. Teach the younger brother some spoken English，and take them to go out to play.3. Send young brother and sister to school and pick them back home.4. Salary 700sgd and 2 day off per month, food allowance: 10sgd/per working day.  5. Get up at 5.20 in the morning, rest at 9.20 in the evening, no break at noon.