Full-time nanny in Balham

We are currently seeking a French speaking nanny to work in a family based in Balham to take care of 2 children aged of 10 years and 8 months. The position could be 4 or 5 days per week, from Monday to Thursday or Friday. The days will be from 8h30 to 18h30 or sometimes a bit later in case the parent come back home are late because of work. We would like someone independent, flexible, caring and with a good communication to discuss the organisation and meals with the parents.
To start in December but interview from now.
£14-15net/h