HubSpot Coding Interview Questions
25 HubSpot coding interview problems with full optimal solutions — 8 easy, 12 medium, 5 hard. Every problem ships with multiple approaches (brute-force first, then the optimal), complexity tables for each, company-specific tips on what an HubSpot interviewer values, and a FAQ section.
Showing 3 problems of 25
- #139mediumoccasionally asked
139. Word Break
HubSpot uses Word Break to test bottom-up dynamic programming and substring reachability — reasoning patterns that map directly to parsing HubSpot's expression language and evaluating segmented workflow conditions.
- #207mediumoccasionally asked
207. Course Schedule
HubSpot asks Course Schedule to assess cycle detection in directed graphs — a pattern that arises in their workflow automation engine where circular dependency detection between triggers and actions is a critical correctness guarantee.
- #322mediumoccasionally asked
322. Coin Change
HubSpot uses Coin Change to probe unbounded knapsack / bottom-up DP thinking — the same pattern that underlies their pricing-plan composer and subscription credit allocation logic, where achieving an exact amount from discrete denominations matters.
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