Technical Interview was a video call. They give you a review guide in advance so you have a week or more to study. I was questioned mostly on OOP concepts and Java. Had a few questions about SQL and had one question each about HTML, CSS and Javascript. They then rate your knowledge 1-5 in four categories: OOP, Java, SQL, Front-End Technologies. You should be fine if you read over the main topics in your review guide. You don’t have to know every little tidbit or get every question correct as long as you have a general understanding of each category.