I emailed my resume to a TripAdvisor technical recruiter near the end of December. I received a response less than a week later and went through 3 phone screens (2 of which were technical). I was asked questions pertaining to basic data structures and algorithms (hash tables, binary trees, sorting). I was then flown out to Boston for an on-site interview, which consisted of 5 1:1 technical interviews, then an HR interview. I was asked to implement common data structures/algorithms on the white board (BST insertion, search, bit vectors). The last technical interview focused on probability teasers. I was given an impromptu tour of the office as well. Overall, all of my interviewers were fairly knowledgeable and were generally easy to talk to. The office space was nice given it's many common rooms (some of which fully stocked with snacks and drinks), game room, and decent size cubicles.