Interview Cache

Master your next technical interview with real questions from industry leaders.

Thumbtack Interview Questions — 23 Questions

Thumbtack

23 problems across 4 categories

Title	Difficulty	Updated
Detail NLP preprocessing and n‑gram choices Data Scientist	Medium	Oct 13, 2025
Design cross-validation; explain bias–variance Data Scientist	Medium	Oct 13, 2025
Choose clustering vs regression; explain KNN Data Scientist	Medium	Oct 13, 2025
Implement min, mean, median robustly Data ScientistCoding	Medium	Oct 13, 2025
Compare list/dict; parse JSON/CSV at scale Data Scientist	Medium	Oct 13, 2025
Explain a project and justify choices Data ScientistBehavioral	Medium	Oct 13, 2025
Design streaming new-vs-returning monthly metrics Data ScientistCoding	Hard	Oct 13, 2025
Optimize red-ball draw probability, prove optimality Data Scientist	Medium	Oct 13, 2025
Demonstrate rapid analysis and stakeholder debrief Data ScientistBehavioral	Medium	Oct 13, 2025
Write monthly new-vs-returning requests SQL Data Scientist	Medium	Oct 13, 2025
Explain power drivers and resolve unexpected A/B results Data ScientistProduct Sense	Medium	Oct 13, 2025
Compute weekly 3-week rolling sums in SQL Data Scientist	Medium	Oct 13, 2025
Lead XFN decision under tight timeline Data ScientistBehavioral	Hard	Oct 13, 2025
Define success metrics for Instant Book Data ScientistProduct Sense	Hard	Oct 13, 2025
Design a robust pro-ranking A/B test Data ScientistProduct Sense	Hard	Oct 13, 2025
Write complex joins and window functions Data Scientist	Medium	Oct 13, 2025
Build a defensible ML pipeline end-to-end Data Scientist	Hard	Oct 13, 2025
Design and evaluate an A/B test for launch Data ScientistProduct Sense	Hard	Oct 13, 2025
Present a DS project with business impact Data ScientistBehavioral	Hard	Oct 13, 2025
Implement TF–IDF with sparse matrices Data ScientistCoding	Medium	Oct 13, 2025
Forecast response-rate trends with backtesting Data Scientist	Medium	Oct 13, 2025
Test regional response-rate differences rigorously Data Scientist	Medium	Oct 13, 2025
Compute weighted response rates by job category Data Scientist	Medium	Oct 13, 2025