Occasional babysitter needed for supervised evenings

I’m looking for a reliable babysitter for occasional after-school and weekend coverage. We have a 6-year-old and a 9-year-old who need supervision, light snack preparation, and help with homework. The role would involve playing with them, setting out activities, and ensuring bedtime routines are followed on days we have late meetings. Comfort with bedtime routines, first aid basics, and a friendly, calm demeanor is important. Please note any flexibility for weekend evenings or school holidays. We prefer someone who speaks English well and can provide two references. A short interview and a trial session would be appreciated.