Afterschool Babysitting job offer

We are looking for a native English baby sitter for our two kids of 7 and 5 from September 2014. Our two kids speak English - they grew up in New York until last summer -- and we want them to keep on speaking English with their baby sitter.

Job Description:

Monday, Tuesday, Thursday and Friday : Pick-up the kids at school at 4:30 pm and take care of them till6:30pm / 7:00pm.
Starting Date: September 02, 2014
Location: Rue barye -- 75017. School is 3-minutes walk away from our building.
Requirements:

English as first language (native language)
Love to play and read with kids.
If your are interested, please contact me.

Last year our babysitters were students (2) from science po Paris and it worked very well (their schedules allowed it perfectly) !