Babysitter wknds&special ocassions;GranVíaHortaleza5,Madrid

We are a family with 2 children, 10 years old boy and 8 years old girl. We are looking for a babysitter (either man or woman), older than 18 years with some experience and that enjoys playing with the kids. Also possible to do some homework of primary with them (spellings, maths, reading comprehension). We live in Gran Vía de Hortaleza 5.