British/Australian family looking for second helper

We are a family with 2 boys aged 3 and 5 years old.  We already have a live in Auntie who has been with us for 5 years.   Due to busy work schedule and kids busy activities we are looking for a second helper to also live in and support our family with childcard and household duties.   Ideally someone with lots of energy and would enjoy playing with our 2 young boys.    We will provide a private room with window and shared shower room with current auntie. We prefer someone who will take Saturday as rest day and work Sunday. We live in mid levels, HK Island