There are four steps in the selection process: 1. You have a call with the recruiter of the company. It's to know if you interests are aligned with the company and you follow the cultural fit. 2. A HackerRank test where you have 1 hour to solve Python and SQL questions. It's totally feasible. 3. A real interview with 1/2 engineers. Probably you will have the typical whiteboard interview with some Python/SQL exercises and some theoretical questions. 4. Last interview with the Architect of the company. It could be another Python/SQL interview or just to talk about