Family of 4 looking for helper

We are a family of 4 with two kids 2 yo boy and 3 mths baby girl. We live in house of 650 sq ft with 3 rooms. Private room for maid available. We are looking for a maid for childcare and general housework. We couple are both working and Grandma will come in daytime for assistance. We look forward to a responsible maid to join our warm family. We are looking for stable long term employee.