Interview questions

Fit Linear Regression: Analyze Economic Impact of Coefficients

Companies: Voleon

Hypothesis Testing · Regression & Statistical Modeling

Fit logistic regression and return top features

Companies: Roblox

ML Coding · Supervised Learning

Forecast bikes available at a station

Companies: Two Sigma

Forecast response-rate trends with backtesting

Companies: Thumbtack

Four Fair Coins: Expected Payoff and Pricing Two Magic Wands

Companies: Jane Street

Probability · Puzzles & Brainteasers

Fraud Detection With Rare Positives (0.5%) and Messy Data You are designing a supervised transaction-level fraud detector. Positives (fraud) are rare ...

General practice

From Early NLP Embeddings to Modern LLM Embeddings

Companies: Amazon

Google PM: estimating a user's sleep from smartphone sensor signals

Companies: Google

AI Product Management · Model Evaluation

Grounding, evaluation and bias controls for AI answers in Google Search

Companies: Google

AI Product Management · LLM Applications

GRPO Deep Dive: Critic-Free RL, Parallelism, MLA, and Reward Design for a Reasoning LLM

Companies: Amazon

Fine-Tuning & Alignment Techniques · Reinforcement Learning

Hand-Compute a Small Neural Network Forward Pass with a Sigmoid Output

Companies: Pinterest

Neural Networks & Training

Handle challenges in MMM/MMX

Companies: Cvs Health

Handle cold start, dropout, and training stability

Companies: Amazon

Neural Networks & Training · Recommendation Systems

Handle imbalance, sampling, and overfitting

Companies: LinkedIn

Handle imbalance, validate samples, and avoid overfitting

Companies: LinkedIn

Model Evaluation · Supervised Learning

Handle missing and unavailable predictive features

Companies: Intuit

Handle missing data and outliers robustly

Companies: Onemain Financial

Handle Missing Values and Choose ML Algorithms Wisely

Companies: Amazon

Handle Missing Values and Outliers in Machine Learning

Companies: Onemain Financial

Handle multicollinearity in feature selection

Companies: Travelers Insurance

Handle p≈n linear regression with L1

Companies: Google

ML Fundamentals · Regression & Statistical Modeling