OA. Three parts. Coding, MCQs, Zap-N. Codings were easy but very tedious, so make sure to read carefully. Also, there were only a few testcases so you have to think about the edge cases by yourself.
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.