Part time teacher for academy in central Madrid

Private Academy in central Madrid (Legazpi) is looking for a part time native English teacher  (8 contact hours/week) to start mid October. Contract until third week of June.  The classes will be at our premises from Monday to Thursday in the afternoons (from 17.20 to 19:30 or from 18.30 to 20.30) teaching children , teenagers and adults. 
The classes are paid at the monthly equivalent of 17€ a contact hour after taxes with a contract provided. Christmas, Easter and other national holidays are paid.
Job requirements:
Be a native speaker and to have TEFL, CELTA  or equivalent teaching qualification. Experience teaching Cambridge exams  will be valued.