Babysitter Needed for my Children

I am a single mom who sometimes needs to travel for work. I am looking for someone who is reliable and can stay with my son while I go on business trips. I would also like someone to be available for the evenings, a few times a month. My 4-year-old is very energetic and smart. He loves playing with his toys. He speaks multiple languages, so if you speak anything other than English, thats also a plus!