Western/Asian family seeking 2nd helper

Family 2 adults + 2 children (7 years old twins, very active) + 1 small dog seeking a 2nd helper who needs to be a caring/patient helper.

Located on HK island, 2000 sqft appartment. Mixed family, father European mother Asian.

Kids are very active, full of personality and demanding and they need a caring/patient 2nd helper. 

Need to speak and read well English to be able to speak / interact / read with the children.

Live in with separate room.