Tripadvisor Software Engineer interview questions

First round is on phone and with codeshare. The interviewer gave me an introduction on the company and his department and I talked about my background and project experience. Then I was asked to write some code to manipulate text file. Final round is on-site. The recruiter showed me around their office. Then it's one-on-one interview with different interviewers.

Ask questions about resume, and do coding on paper, ask if know the service detail of tripadvisor, and ever use it. If passed the technical questions, will continue on several round of online assignment, then on-site.