Au pair - live out - Madrid, Goya/Retiro

We are a family with two boys Matthias (7,5 years) and Luca (4,5 years). We are French, and have been living for many years in Madrid (more than 10). We look for a live out au-pair to pick up our kids at school from Monday to Thursday and take care of them till 7.30 aprox. + 2 baby sittings per week.Matthias is attending the French lycee in Arturo Soria and LUca a spanish school in O donnell/Dr Esquerdo.