NANNY / ENGLISH TEACHER NEEDED

We look for an English native speaker from monday to thursday from 16.00 to 20.30 plus one babysitting night per month. Starting in June. (During July the schedule will be a little bit different and we will start again in september).
We have 3 kids: Mario is 8 years old, Alejandra is 6 and Catalina is 2 years old. We want to provide our 3 kids with a direct and continued experience with the English language. 
The job will consist in taking care of Catalina until Mario and Alejandra arrive from school or from other activities and then the nanny / teacher will give them english classes and help me with the bath and the dinner. 
We are looking for someone to live out and for a long term. 
We offer a fixed salary of 500€ /month. We live near Bernabeu stadium. If you are interested please contact me in lolamediavilla@hotmail.com 
Thank you