English teacher/nanny for 3 children mornings

We're looking for an English native teacher/nanny to spend the mornings with 3 children (7,5,3.7 y.o.) engaging them in games and activities to improve their English. We live in Mirasierra (underground Line 9). Another adult will be at home.
Hours: from 9 to 13.30h, Sunday to Friday, ideally.
From 1st to 6th July and second fortnight of July (from 15th July to 30th (free days 22nd and 28th)
Experience at schools preferred. Please, email with CV/references. Salary to be agreed upon.