Amazon Lab126 RF Systems Engineer interview questions

Interviews were 1 on 1 with two separate employees from Lab126. First interview was technical and lasted approx 45 minutes. The second interview was also technical but with more an emphasis on problem solving. The first interviewer had a very thick accent and mumbled. They then blamed me when I could not understand their questions. The interviewer nit-picked on things like the color of my resume and the font chosen, and asked trick-questions that were more of a riddle than a real question. It was a very frustrating experience and only made me more flustered for part 2 of the interview.