On going care needed on a Wednesday after school

I’m travelling quite frequently for work and my wife works late on a Wednesday.

We are in need for a babysitter or nanny once a week on a Wednesday after school/evening to care for our three young boys until my wife gets home.

This won’t be every week but I will have my schedule a month in advance to allow for planning.

We have 3 boys aged 6,4 and 15 months. We can have the boys picked up from school and kinder and brought home. We will need a carer between 4pm and 9pm.

A bonus if they have capability to pick them up from school/kinder but not necessary.

My wife is usually home around 9pm so 4-9pm on a Wednesday.

Looking for a person to feed dinner, bath and bed time.