It was 90 minutes of technical questions based on the core technologies they need for the specific area, in my case React and Node.js. Some of them were not relevant and they only wanted to catch you with it, but most of them were pretty ok and you had the opportunity to discuss with them.

You start by applying on website or by referral. You will be called to set-up the next step of the interview: the Human resources one. If passed there is a Technical Interview with problem solving skill questions and the offer comes at last