Centene interview questions

Initial phone interview with someone from HR. Questions were mostly easy behavior ones like why I picked my major. Called back for an onsite interview with the manager I would be working for. Questions were a mix of situational questions like "tell me a time when you were in charge of a group", and about my programming experience. They did take a very long time to get back to me after that interview. about a month later they called me with an offer.