Babysitter Needed for my Children - Now Hiring

we are looking for someone who can help provide an extra set of hands for myself and my wife - we have 4 kids, 7, 12, 14 and 17. The older one is autonomous but the other three need help getting to after school activities sometimes and my wife and I would like coverage for weekend date nights, and when I have to go out of town for work from time to time. babysitting would just be for the 2 youngest (7 and 12), and driving would be for the 3 younger ones.