This is an au pair job scam. There is no job, just a scammer looking to steal your money.
Dear Au-pair ,
How are you doing? I found your profile interesting at www.eaupair.com . I will love to express my interest in you and i want to let you know that i want you to be employed as my Au-pair seen your profile that you are seeking for a job such as mine as i got vacancy, My name is Allan Mcterry and i currently reside here in London with my family. I will truly need your services here as an Au-pair for my kid and will be very glad for us to know each other better first. the family will take care of everything concerning your flight and travel expenses. I really hope to have your reply soon and also your photos/C.V so we can discuss further patterning to the job. Hope to hear from you as soon as possible.
Please do not tell scammers that they are listed here - it will take them seconds to change their fake details and their new details will not be listed for any future victims to find.