I would be prepared to present your portfolio overall, you will have to present it at the in-person interview. There are two interviews, a phone interview with the recruiter/HR and an in-person interview with a design leads. For the phone interview, be prepared to talk about all past experiences....
It's a fast paced environment. I worked the full amount of hours possible and I can't tell you how often I had projects that needed a fast turnaround. You do real work here. You aren't really an intern, you are a designer. You are usually "paired" with the designer who normally handles the client...
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