You don't have to be a mathematician to do machine learning. Jeff Dean said that almost every engineer working at Google should be capable of picking up the math for machine learning [1]. In particular with deep learning the math is quite manageable.

I would encourage you to take part of some Kaggle competitions to get a better feel for the practical aspect of machine learning.

[1] https://backchannel.com/how-google-is-remaking-itself-as-a-m...