Amazon Software Developer interview questions

got a phone interview appointment from the recruiter. later at the appointment day one of the recruiting team called and first introduced amazon and the team. then asked several data structure questions. later asked to code on the collaborative online board. the girl is nice and polite. later the recruiter sent an email to arrange a second phone interview. this time another team member called and asked quite a lot questions on oo design, parallel programming, and something on my resume. a fairly easy coding question. did not go further that time.