Expat family with 2 toddlers looking for second helper

We are looking for someone with immediate availability with references from past employers. We need someone who can start anytime between 1 August - 31 August. 

We are a Canadian Chinese and American expat family with 2 girls who are 3.5 years old and 15 months. We have 1 Filipina helper who has been with us for 4 years and are looking for a second helper who is trustworthy, great with young kids and excels in household management including but not limited to cleaning, laundry, vacuuming, ironing, etc. 

We do not have pets or a car. We live in Sai Ying Pun/Mid-Levels West.