IN4MATION INSIGHTS, LLC Senior High Performance Computing Engineer interview questions

First interview took place on the phone, for more than an hour. Two people were there, the ceo and the IT director, who direct the techincal interview by giving me problems that I had to solve, most of them where about architectural designs. From hadoop, to MongoDB questions, they were asking me also about my previous projects and products I deveoped, asking me about the design decisions behind them. They were very kind and I really enjoied the interview