Epic Systems

4 tests: programming, math, logic, and 2-minute quick questions. Then there is a phone screening, followed by a final on-site interview if selected. Quick process overall, around a month total.

I talked to them at a college career fair and decided to apply to their company. First, there was a basic phone interview where they asked you about your background and your interests. You could also ask them about their company and the job you were

30-minute phone screen, then an OA around 4 hours long. The OA had mental math, but also a few LeetCode-type problems. They were not very difficult if you studied common patterns and implementation.