Nanny for one child, 4 years old, Royal Kensington and Chelsea

We are looking for a nanny to have sole charge of our 16 months old son starting from end of January but we have some flexibility on this. It will be approximately 25 hours per week. Ideally 10am-5pm Tuesday Wednesday and Thursday and 4 hours on Saturday 9am-1 but we can be flexible for the right candidate and go closer to full-time hours. We are seeking someone experienced with 1 year olds who is positive, reliable, flexible, organized and a good communicator. We need someone to teach our child new things and the Greek language. Housekeeping and cooking related to the baby is also needed. Salary is £10-14 per hour gross depending on experience