Sitter Job in San Francisco, California

My wife and I are looking for a Babysitter with her own transportation willing to do light housekeeping and keep track our two boys, ages 9 and 12. we live in the Sunset near the beach and Golden Gate Park. We would ideally like someone who can work 12-15 hours a week, mostly early evenings, and sometimes help out with picking up kids from school/aftercare, etc. If this sounds like a good fit for you, please contact me. Thank you! John and Aparna