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Interview questions by company and topic | SysRound

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16 questions

Showing 1–16

Practical engineeringMedium
Fair Coin from a Biased Coin, Uniform 1-to-n Sampler Bug, Monte Carlo with Threads
Companies: Anthropic
Math & Number Theory · Probability
Last reported Oct 2026
Open workspace
Practical engineeringHard
Model particle hits on a screen
Companies: OpenAI
Probability
Last reported Feb 2026
Open workspace
Machine learningMedium
Design Restart Strategy for Oracle Solver
Companies: OpenAI
Probability
Last reported Jan 2026
Open workspace

Machine learningMedium

Analyze Correlations and Generate Gaussians

Companies: Citadel

Probability

Machine learningHard

Analyze expectations, correlations, and investment strategies

Companies: Squarepoint

Probability · Trading Systems

Machine learningHard

Derive correlation bounds and omitted-variable bias

Companies: Two Sigma

Probability · Regression & Statistical Modeling

Machine learningMedium

Design navigation-safety simulation parameters and experiments

Companies: Zoox

Probability · Sampling & Estimation

Machine learningMedium

Diagnose Bias–Variance Trade-off in Supervised Learning

Companies: Amazon

ML Fundamentals · Probability

Machine learningMedium

Explain core probability and ML statistics concepts

Companies: Bank Of America

Probability · Regression & Statistical Modeling

Machine learningEasy

Four Fair Coins: Expected Payoff and Pricing Two Magic Wands

Companies: Jane Street

Probability · Puzzles & Brainteasers

Machine learningHard

How to rank statements by likelihood

Companies: Optiver

Probability · Puzzles & Brainteasers

Machine learningEasy

Pick a Number 1-100 Where the Higher Pick Pays a 10-Point Penalty: Optimal Strategy

Companies: Jane Street

Probability · Puzzles & Brainteasers

Machine learningMedium

QUANTITATIVE RESEARCHER

Companies: Jane Street, JPMorgan, Optiver, Point72 +1

Feature Engineering · ML Fundamentals · ML System Design · Model Evaluation

Machine learningMedium

QUANTITATIVE TRADER

Companies: Jane Street, Optiver

Probability · Puzzles & Brainteasers

Machine learningMedium

Simulate and Compare Multi-Armed Bandit Strategies

Companies: Wayfair

Probability · Sequential & Adaptive Testing

Machine learningMedium

Solve Probability and Statistics Questions

Companies: Squarepoint

Probability · Regression & Statistical Modeling