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Upstart Interview Questions — 52 Questions

Upstart

52 problems across 4 categories

Title	Difficulty	Updated
Implement Three Assessment Functions Software EngineerCoding	Medium	Apr 20, 2026
Solve Five OA Coding Tasks Software EngineerCoding	Medium	Apr 10, 2026
Solve Reported OA Coding Problems Software EngineerCoding	Medium	Apr 5, 2026
Reverse even numbers in a list Software EngineerCoding	Medium	Mar 9, 2026
Decrypt a twice-encrypted message using known pairs Software EngineerCoding	Medium	Mar 9, 2026
Decode an anagram sentence using vocabulary constraints Software EngineerCoding	Medium	Mar 9, 2026
Compute buffet revenue with capacity and waiting Software EngineerCoding	Medium	Mar 9, 2026
Estimate impact without experiments and pick variant Data ScientistProduct Sense	Easy	Feb 19, 2026
Correct length-biased sampling from family-size survey Data Scientist	Easy	Feb 19, 2026
Implement four string-processing functions Software EngineerCoding	Medium	Jan 5, 2026
Implement factorial and count trailing zeros Data ScientistCoding	Easy	Dec 9, 2025
Explain L1 vs L2 and ridge vs lasso Data Scientist	Easy	Dec 9, 2025
Compute decay, OLS, and classic probability results Data Scientist	Easy	Dec 9, 2025
Combine noisy thermometers; compute random-walk correlations Data Scientist	Easy	Oct 25, 2025
Explain career moves and defend moat Data ScientistBehavioral	Hard	Oct 13, 2025
Evaluate channels and allocate budget Data ScientistProduct Sense	Hard	Oct 13, 2025
Decide to ship a signup experiment Data ScientistProduct Sense	Hard	Oct 13, 2025
Analyze aggregator lender page flows Data ScientistProduct Sense	Hard	Oct 13, 2025
Write monthly touches and last-touch SQL Data Scientist	Medium	Oct 13, 2025
Explain tackling ambiguity and defending a decision Data ScientistBehavioral	Hard	Oct 13, 2025
Manipulate data in R with dplyr joins and windows Data Scientist	Medium	Oct 13, 2025
Implement PAVA spend-smoothing under no-borrowing constraint Data Scientist	Hard	Oct 13, 2025
Analyze HT vs HH stopping-time probabilities Data Scientist	Medium	Oct 13, 2025
Solve drunk-passenger probability and simulate outcome Data Scientist	Medium	Oct 13, 2025
Interpret A/B results with p-values and uncertainty Data Scientist	Medium	Oct 13, 2025
Formulate hypotheses and metrics for video-pin ramp Data ScientistProduct Sense	Hard	Oct 13, 2025
Solve SQL CTR and Python analytics tasks Data Scientist	Medium	Oct 13, 2025
Identify binomial model and compute moments Data Scientist	Easy	Oct 13, 2025
Determine distribution of aX+b when X~N(0,1) Data Scientist	Easy	Oct 13, 2025
Derive logistic regression objective and gradients Data Scientist	Easy	Oct 13, 2025
Find max word letter span Software EngineerCoding	Medium	Sep 6, 2025
Simulate Radioactive Decay to Validate Analytical Solution Data ScientistCoding	Medium	Aug 4, 2025
Navigate Conflicting Priorities in Cross-Functional Collaboration Data ScientistBehavioral	Medium	Aug 4, 2025
Navigate Behavioral Rounds with Hiring Manager Successfully Data ScientistBehavioral	Medium	Aug 4, 2025
Leverage Existing Model for Low Credit Score Applicants Data Scientist	Medium	Aug 4, 2025
How to Architect a Personalized Ads Serving System Data Scientist	Hard	Aug 4, 2025
Find Minimum Path Sum in Integer Triangle Data ScientistCoding	Medium	Aug 4, 2025
Explain Treatment Results and Recommend Launch Criteria for Experiments Data ScientistProduct Sense	Hard	Aug 4, 2025
Estimate Family Proportions and Explain Regression Anomalies Data Scientist	Medium	Aug 4, 2025
Estimate and Derive Regression Coefficient for X on y Data Scientist	Medium	Aug 4, 2025
Ensure Fairness Beyond Gender Parity in Lending Practices Data ScientistBehavioral	Medium	Aug 4, 2025
Design Push-Notification System for Airport Surge Pricing Data Scientist	Medium	Aug 4, 2025
Design Experiment to Measure Airport Surge-Pricing Impact Data ScientistProduct Sense	Hard	Aug 4, 2025
Design Algorithm for Longest Substring with K Distinct Characters Data ScientistCoding	Medium	Aug 4, 2025
Design a Regression Model for Robust Extrapolation Performance Data Scientist	Medium	Aug 4, 2025
Design a Real-Time Personalized Ad Selection System Data Scientist	Hard	Aug 4, 2025
Calculate User Revenue and Session Duration in Python Data Scientist	Medium	Aug 4, 2025
Calculate Particle Survival Probability After Time t Data Scientist	Easy	Aug 4, 2025
Calculate Expected Streaks in Coin Toss Sequence Data Scientist	Easy	Aug 4, 2025
Calculate Average Event Value by User ID Data Scientist	Medium	Aug 4, 2025
Assess Probability of Heads in Coin Tosses Data Scientist	Easy	Aug 4, 2025
Address Missing Income Bracket in California Housing Data Data Scientist	Hard	Aug 4, 2025