When you are a working woman, then you do need a reliable person to take care of your little one. First, you should not really feel guilty if you have to find someone to look after your baby. It is not possible to be a superwoman. The good news is that if you live in Singapore, then finding a babysitter is not going to be a problem for you at all.
Now, when you need someone to look after your baby when you are at work, then first you need to consider your specific needs. When you will have your set of requirements in front of you, then finding the appropriate person will not be a problem for you at all. It is also important to decide before the hire whether you need a full-time nanny or a part-time.
Now, when you are choosing a nanny for your baby, then the best approach is that you should go for someone who is experienced at the job. The reason is that the children develop different skills at different ages so as they grow up they need more attention because this is the point from which their learning starts.