Basic programing questions One hour each Comfortable environment First-Round Interviews. First-round interviews are often called “screenings” and they're designed to narrow down a large pool of applicants using simple red flags. Second-round interviews are usually longer, more detailed, and more open ended. Since most of these interviews happen face-to-face, they’ll give you an opportunity to make a great first impression with your appearance, your words, and your non-verbal gestures. This round will require significant preparation beforehand. For most positions, the third round of interviews should be the last. If you’re called for a third session, it usually means that these employers like you—but they like at least one other person just as much. At this point, you’ll need to gain an edge by explaining what you have to offer that this other person (or people) may not have. Before the Interview, You'll Need a Strong Resume.