Nice family looking for second domestic helper

We are an American Chinese nice family looking for a second domestic helper to share the work with our first helper. We are a full time working couple and have 2 young kids (4 and 2 years old). We are living in Mid Level. Main duties will be to take care of the kids, housekeeping and must be good for cooking. We prefer finished contract with reference letter. Must be available in March. Feel free to contact us.