A Chinese family looking for a helper (finished contract)

We are a Christian family, a working couple and 2 primary school kids. One is 7 years old and one is 9 years old. My husband and I both work. We need to employ a helper with good housekeeping skills, organized and willing to learn and can get along with kids. Higher salary can be offered for more competent candidate. We only consider helpers who finish her current contract in Hong Kong and can be available in early August.