Behavioral interview type questions. Prepare with the STAR method and it will go very smoothly. Don't worry too much HR is very nice and if you don't answer a question fully, they guide you a little bit. One engineering related questions at the end (talk about your projects, difficult time during a team project etc.)
Interview questions [1]
Question 1
Tell me about a difficult engineering project that you did. What were your responsibilities? What was difficult? How did you solve it?
