Looking for domestic helper in Singapore

We are a family of 4. British and Hong Kong family. Husband and wife, 12 years old girl and 6 years old boy. We also have a small dog. We are both working professionals. Main duties include childcare, cooking and general housework. We live in 3 bedrooms landed 1-story house with a small front yard. The helper will have her own room, the bathroom will be shared with our boy. We are flexible on the start date, ideally will be in Sept or Oct. We are looking for someone who has childcare experience, is good at cooking Western food and can follow recipes, speaks good English and is willing to take instructions.