HubSpot interview questions

43 questions17 coding3 system design23 behavioral9 freeUpdated

This is every question in the HubSpot guide, in one list: 17 coding problems, 3 system designs and 23 behavioral questions, drawn from what candidates report about HubSpot interviews.

Each row shows the round it comes from and links to the lesson that works through it. 9 are free to read in full. The other 34 are Premium, and here you still see their round, difficulty and topic, so you know what you're walking into.

HubSpot coding interview questions

17 problems, in the order the guide teaches them. The 8 tagged OA are covered in the online assessment lessons. Each lesson gives the full problem, a worked solution and the follow-ups interviewers tend to add.

1File System: Build It Across StagesFreeOAMediumThe CodeSignal Assessment
2Rolling Median: Two Heaps Over a StreamFreeOAMediumThe CodeSignal Assessment
3Banking System: Staged Ledger with Scheduled PaymentsFreeOAMediumThe CodeSignal Assessment
4In-Memory Database: Staged Key-Value Store with TTLFreeOAMediumThe CodeSignal Assessment
5Sessions: Group Page Views by Time GapFreeOAMediumThe Online Assessment
6Concurrent Callers: Sweep-Line Peak OverlapFreeOAMediumThe Online Assessment
7Partner Availability: Consecutive-Day Counting per CountryFreeOAMediumThe Online Assessment
8Inbox View: Group by Conversation, Keep the LatestFreeOAEasyThe Online Assessment
9Premium easy problemCodingEasyThe Live Coding Round
10Premium medium problemCodingMediumThe Live Coding Round
11Premium easy problemCodingEasyThe Live Coding Round
12Premium easy problemCodingEasyMore Live-Round Problems
13Premium easy problemCodingEasyMore Live-Round Problems
14Premium medium problemCodingMediumMore Live-Round Problems
15Premium medium problemCodingMediumThe Front-End JavaScript Round
16Premium easy problemCodingEasyThe Front-End JavaScript Round
17Premium easy problemCodingEasyThe Front-End JavaScript Round

HubSpot system design interview questions

3 designs, each worked end to end in its own lesson, from requirements to the architecture and its trade-offs.

#Question
1Design Video StreamingFree
2Design a Weather CMS Module (Premium)
3Design a Scalable Web App (Premium)

A lock means the design is named here and its walkthrough is Premium.

HubSpot behavioral interview questions

23 questions, grouped by what the interviewer is testing. The lesson explains why each one gets asked and what a strong answer covers.

"Why HubSpot?" (3)

All 3 are Premium

Ownership and leadership (4)

All 4 are Premium

Teamwork and conflict (4)

All 4 are Premium

Remote-first collaboration (3)

All 3 are Premium

Adapting to ambiguity and change (3)

All 3 are Premium

Humility and owning a mistake (3)

All 3 are Premium

Solving for the customer (3)

All 3 are Premium

Read the HubSpot behavioral questions

See all 43 HubSpot questions by name

Premium opens the 34 locked questions on this page, each with the full prompt and a worked answer, and every other lesson in all 100 company guides.

Common questions

How many questions are in the HubSpot interview guide?

43: 17 coding problems, 3 system designs and 23 behavioral questions. The guide was last updated in November 2026.

Which rounds do these HubSpot interview questions come from?

Of the 17 coding problems, 8 come from the online assessment and 9 from the coding rounds. The 3 system designs and 23 behavioral questions come from the system design and behavioral rounds. Every row in the list carries its round, so you can start with the one you have booked.

Which HubSpot interview questions are free?

9 of the 43 are free to read in full, marked Free in the list. The other 34 come with Premium, which also opens all 100 company guides.