First, you receive an online debug challenge. This is pretty simple. Anyone with experience in an introductory CS class should be able to complete these. The next step is another online coding challenge along with a video assessment. The coding challenge consists of 3 total problems. First two are easy - medium and the last one is hard. For the video assessment you have to watch videos and answer questions accordingly regarding teamwork and the development process. The final round is an onsite group assessment. You will have group activities but all coding will be done individually. You'll have 2 "interviews" with devs while you code your solutions. These are more like discussions about your code as opposed to a typical interview. Be comfortable with OOP and be prepared to read and understand other people's code and you should do well.