Families looking for a maid, with a separate room for workers that has a bathroom

My family consists of three adults and two children. The two children are a 4-year-old boy and a 3-month-old baby sister. However, the baby is taken care of by her grandmother and lives in Shenzhen for a long time, so the foreign nanny doesn't need to take care of the baby at all. The tasks that the foreign nanny needs to handle are as follows: cooking three meals a day, daily household cleaning and organization, and taking care of the 4-year-old boy (including picking him up and dropping him off at school, taking him downstairs to play, and helping him take a bath every day). Our home is located near the Kowloon High-speed Railway Station, with convenient transportation. Our home is a 1000-square-foot three-bedroom apartment with an additional nanny's room, which is independent and has its own toilet.