I applied online. The process took 1 day. I interviewed at Optiver in Oct 2025
Interview
There were 3 phases of the interview
1. leetcode hard, gave about 75 minutes
2. 20 minute 20 multiple choice conceptual
3. iq games, very interesting, also tested reaction speed
Other Software Engineer Intern interview reviews for Optiver
The interview process began with a rigorous online assessment designed to test technical proficiency. It focused on core engineering principles and problem-solving skills, providing a challenging yet straightforward initial evaluation stage.
Coding + tech knowledge screen + puzzle round.
Behavioral (recruiter round).
Then 4-5 successive coding/system design rounds, followed by a final behavioral interview round with a tech lead + recruiter.
Technical OA mixed with random games and knowledge test about a variety of topics into a behavioural interview where they ask you a few questions about the role, your motivations and interests.