reviewing portfolio and talking about past projects, talking about past work experience, answering questions, visa status, potential contributions, travel possibility, skillset & personality, they also asked about career goals, expecting working extra time and communicating with clients

it is very easy, just be brave, honest and confident. shortly introduce yourself first, and then the recruiter asked some question about the portfolio and your works. they may go through into your work, and ask some very specific question for the design details. just follow their steps, and prepared to well know your project. at last, asking some questions about the firm and duties.