English native nanny

We need a native  woman to pick our 11 and 8 year old children up from the school and to take care of them till we arrive from our jobs. While you are with them you have to encourage them to do the homework, giving them the snack ... speaking all the time in english and trying to improve their speaking. The quality of being native and female is mandatory. Monday and Wednesday from 18 to 20. Tuesday and Thursday from 17 to 20. The school is 10 minutes from home on foot. The school is 15 minutes from metro Pavones in Moratalaz. 15€/hour