Optiver

“Optiver states its technical interviews avoid standard Leetcode puzzles and brainteasers in favour of collaborative technical discussions; it is 'interested in how you think'.

“Candidates should have confident knowledge of a major object-oriented language (C++, Java, or Python), including standard libraries, collection types and algorithms, applied to unfamiliar problems.

“Because Optiver's systems must meet performance requirements, choosing the right data structures is a priority: candidates need space/time complexity of standard structures and how they are represented in memory.

“Candidates should revisit fundamentals: computer architecture, networking, concurrency and memory management, and how physical realities shape design.

“Candidates must be able to explain design decisions; asking clarifying questions about load, latency requirements and edge cases is explicitly encouraged, and interviewers ask 'Why did you make this design decision?'.

“Behavioural assessment emphasises collaboration, transparency and intellectual curiosity; Optiver suggests the STAR method for structuring answers.

“Working-at page: research, trading and engineering operate in a single loop so a stronger signal or smarter execution travels across regions; interns describe options-theory education applied on the desk.