Chinese & British family looking for a helper

We are 3 family members, 2 adults both work, kid 11 years old. Helper will stay in a separate room with a air conditioning. Main duties: cleaning house, laundry, cooking, car wash 2 times a week. Very simple， we are a simple family and the duties for domestic helper would be simple kinds too.  Mainly include: cleaning, washing, cooking, ironing, sometimes pick up my child from school bus station. The house work are simple too, mainly cleaning, cooking, buying groceries and food, ironing clothes, and car wash once a week.