Proofpoint

Applied for a new grad position. First talked with an engineering leader who liked me and liked what I had to say, so I moved on to the next round, which was a take home programming question, and then they expand upon that in the form of phone call.

The interview consists of 3 rounds: 1) Unofficial call from an HR, mostly about your availability and your previous working experience. 2) A scheduled call from a manager about your experience, projects, and some simple technical questions. 3) A s

Got interview, phone screened, then went onsite, met 5 people, 1 of them is manager. The engineers gave a question to solve. The problem difficulty is medium.