Data Scientist - Python Expert - Machine Learning Expert

I am looking for a skilled data scientist who is an expert in Python and has experience in machine learning. The ideal candidate will be able to assist me with data analysis tasks, including model building and algorithm development. It is important that the candidate has existing Python code in place as we will be working with an existing system. Additionally, the candidate should have access to data sets to work with, as we will need to perform analysis on real data.