Had an OA with them. It was quite difficult, and they had lots of mental math games.
Did not get a callback after this. The rest was designing some class, which was not too bad. Games were hard.
Mental math game, towers of hanoi.
The following metrics were computed from 8 interview experiences for the Optiver SWE New Grad role.
Optiver's interview process for their SWE New Grad roles is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Optiver's SWE New Grad interview process.