Ashley looking for a babysitter or nanny in Waterloo

We are an executive couple with three wonderful children. Our eldest is very athletic, independent and highly intelligent. Our middle daughter is an opinionated, funny and chatty girl. She can sometimes be a handful. Our baby boy is sweet, calm and adored by his sisters.
I need someone that can do school pick ups, prepare dinner and do bedtime routine, specifically with the two younger ones. On specific days it could also be driving my eldest to her sport activity. I also require this person to be tidy and willing to take on household chores when time permits. Flexibility is a MUST. Given that we run our own business, sometimes plans change or the times may extend. Our sitter must be willing to be flexible as our schedule is not always predictable.
We reside in a beautiful and safe neighbourhood with a swimming pool during the summer months. We are very easy to get along with and consider those that care for our children a part or our family.