Introductory call with recruiter to get general background information and set up the remainder of the process. First round hiring manager call is a 30 minute discussion about your skills, primarily related to those listed on the application, and some behavioral questions. Second round is a panel interview with the hiring manager and a few staff, or higher, level engineers from the team. This is a deeper technical discussion regarding the skills listed on the job description, the focus is more on finding out what you know and how you think so don't be afraid to tell them you don't know the answer to a couple questions. This stage also included a coding challenge, it was more of a practical (find the bug) type challenge. Final round is an onsite with a hiring manager, mainly behavioral, this interview is mainly to allow you to experience the office and commute first hand.