Has anyone had to start undergraduate/transfer studies a little bit late? Need help with CV/Resume.

So, I dropped out of University because I had to move to USA. And now I am applying for University here in Massachusetts. (transfer my studies to be precise)

I have worked since 2014 as a developer (currently working) and I want to know how to structure my CV/Resume for University.
Do I need a simple one just like when I apply for a job, or a detailed one 2-3 pages?

Thinking of applying at Boston University, Northeastern & UMass.