First round is a HR briefing over the phone. Then you have to take a Hacker Rank test. After that there is a 60 minutes big interview. Then they assign a programming problem for you that you have a whole day to solve. Then you have to present your solution, roughly one hour. After these steps they let you know if you are hired.

Typical quant finance questions, it is possible to prepare for them. Also some behavioral interviews if you pass the first few rounds. All together 4-5 rounds of interviews. People are nice usually