Optiver interview questions

Showing 61–76 of 76 results

• Optiver Beat The Odds: Five Rapid-Fire Probability Brainteasers (Dice, Cards, Coins, Pigeonhole)Medium

  This collection of rapid-fire probability brainteasers evaluates probabilistic reasoning, combinatorics, symmetry-based thinking, conditional probability, and fast mental arithmetic to gauge quantitative intuition under time pressure.

  OptiverSoftware EngineerSoftware Engineering FundamentalsOnline Assessment
• Optiver SWE Intern HR Screen: Project Deep Dive — Hardest Parts, What You'd Do Differently, and Questions to AskMedium

  This Behavioral & Leadership interview prompt evaluates clarity of communication, ownership, reflective leadership, and the ability to concisely articulate one’s technical contributions during a short project deep-dive for a software engineering internship.

  OptiverSoftware EngineerBehavioral & LeadershipHR Screen
• Plan for timed probability assessmentMedium

  This question evaluates rapid probabilistic and statistical reasoning, time management and problem prioritization under strict timing, along with the ability to adapt approaches based on scoring rules and calculator restrictions, and it is classified in the Statistics & Math domain.

  OptiverSoftware EngineerStatistics & MathOnline Assessment
• Prove a Tight Lower Bound on a Latin Square's Lower-Triangle SumMedium

  This question evaluates combinatorial reasoning and discrete optimization skills—specifically understanding permutations in Latin squares, triangular-sum inequalities, and construction of extremal examples—within the Software Engineering Fundamentals domain for a Data Scientist position, and it primarily probes conceptual understanding with a constructive application component. Such problems are commonly asked to assess the ability to derive global bounds from local constraints and to exhibit matching constructions, signaling mathematical maturity and facility with combinatorial identities.

  OptiverData ScientistSoftware Engineering FundamentalsTechnical Screen
• Quant Trading Game: Expected-Value Betting and Market Making on Coins, Dice, and CardsMedium

  This question evaluates probabilistic reasoning, expected-value calculation, risk management, and market-making intuition under time pressure within a simulated trading game.

  OptiverQuantitative TraderMachine LearningTechnical Screen
• Reviewing a Freight-Scheduler Codebase: Bugs, Data Structures, and ConcurrencyHard

  This question evaluates a candidate's ability to perform code review and debugging on a large codebase, testing understanding of data structures, algorithmic complexity, deterministic allocation policies, capacity accounting, and concurrency correctness.

  OptiverSoftware EngineerSoftware Engineering FundamentalsTechnical Screen
• Simulate return-weighted rebalancing strategyMedium

  Simulate return-weighted rebalancing strategy evaluates metric design, causal reasoning, experiment setup, diagnostics, SQL/statistical checks, and recommendations in a realistic interview setting. A strong answer states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

  OptiverSoftware EngineerAnalytics & ExperimentationTechnical Screen
• Solve a Skyscraper puzzle efficientlyMedium

  This question evaluates understanding of constraint satisfaction and combinatorial search, testing competency in modeling Latin-square domains with visibility constraints, pruning and uniqueness verification, and algorithmic complexity analysis.

  OptiverQuantitative TraderCoding & AlgorithmsOnline Assessment
• Solve numeric sequence pattern puzzlesMedium

  This question evaluates pattern recognition and quantitative reasoning skills, requiring identification of numeric relationships, series properties, and simple number-theoretic or arithmetic transformations.

  OptiverSoftware EngineerStatistics & MathOnline Assessment
• Solve probability and expectation problemsHard

  This problem tests your ability to calculate expected stopping times in a discrete random walk and your understanding of conditional expectation and symmetry in probability.

  OptiverData ScientistStatistics & MathOnline Assessment
• Solve quick probability questionsMedium

  This set evaluates core probability and combinatorics skills including discrete distributions, conditional probability, independence, expectation and variance, and basic stochastic processes such as gambler's ruin, situated in the Statistics & Math domain.

  OptiverSoftware EngineerStatistics & MathOnline Assessment
• Solve three mini-game algorithm tasksMedium

  Solve three mini-game algorithm tasks evaluates algorithm design, data structures, correctness, complexity, edge cases, and implementation details in a realistic interview setting. A strong answer states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

  OptiverSoftware EngineerCoding & AlgorithmsTechnical Screen
• Stone Pile Doubling Game: Can One Pile Be Emptied?Easy

  This question evaluates a candidate's algorithmic reasoning and discrete-mathematics skills, particularly understanding deterministic state transitions, invariants, and cycle detection in iterative processes.

  OptiverQuantitative ResearcherCoding & AlgorithmsTechnical Screen
• Thread-Safe Stock Inventory: Buy and Sell Without OversellingMedium

  This question evaluates understanding of concurrent programming, synchronization primitives, atomicity, and correctness of shared mutable state by requiring implementation of a thread-safe inventory that prevents overselling and preserves updates.

  OptiverSoftware EngineerCoding & AlgorithmsTechnical Screen
• Trading Game: Expected-Value Betting, Kelly Sizing, and Arbitrage Under Time PressureEasy

  This question evaluates quantitative probability reasoning, expected-value computation, risk-sizing (including Kelly-style sizing), arbitrage recognition, and market-making intuition within a live trading simulation.

  OptiverQuantitative ResearcherMachine LearningTechnical Screen
• Validate a Binary Tree Built from Directed EdgesMedium

  This question evaluates understanding of tree and graph fundamentals including parent-child constraints, duplicate-edge detection, cycle detection, node-degree limits, and in-order traversal semantics.

  OptiverSoftware EngineerCoding & AlgorithmsOnline Assessment