Should I take a tutor job or a research job in a company before going to grad school?
Personally I would choose the company position:


Prior experience in the private sector (outside of teaching) is a big advantage if you decide to look for a non-academic job later.
Python is a popular programming tool to use. Might as well learn now.
Data analysis is a big part of doing a physics PhD.
You will form better contacts (probably). Never underestimate the value of good connections.
You will get plenty of opportunity to do teaching later if you wish; and I do not really see what it adds to your position now. However, I never really saw the appeal of teaching, so perhaps my view is coloured.


A CV is just a way to get yourself an interview. It doesn't get you a job. Definitely send your CV in.