Looking for helper for family with teenagers

Family of 4 - Grandma, me, 2 teenage girls. Singaporean Chinese. Looking for a helper who is humble, honest, hardworking, carries a positive attitude, and most importantly willing to learn from Grandma on how to manage the home. Duties include housekeeping, laundry, ironing, cooking, care for teenage girls and grandma. Must be able to read and write English, work without supervision, and manage household matters independently.