Academic Guidance please

File: 160624-university-of-michigan-submitted.jpg (536KB, 1500x1000px) Image search: [Google]

536KB, 1500x1000px

I finished my freshman year of pure math and physics at a top 100 public university, and realized that I have to change if i want a job at the end of this. Just so you get an idea of what level I'm at I've done, I got a B+ in Diffyques and a B+ in complex variables because the professors were assholes with the grading IMO:
Calc I - Calc III, Intro to Lin Alg, Diffyques
Phy I - Phy III
Complex Variables, Intro to proofs and higher math

I was thinking I could switch to applied math where I only have to take 6 more classes to satisfy the major requirements then spend the last few years going ham on CS courses (I've never taken a CS course but could probably test out of the first one which is just "write a function that adds two integers doi") and a few more grad level math courses maybe. Please tell me this is a wise decision. I don't want to be poor.