I applied online. The process took 2 weeks. I interviewed at HubSpot in Aug 2022
Interview
Take-home: 3 hour assignment, fetch from an API endpoint, manipulate the JSON, post to a different API endpoint. If you succeed, you'll get a 200 status code and an automatic e-mail from the recruiter explaining you'll be moving on to next steps.
On-site: 2 system design questions + 1 very very easy data structures/algorithms questions + hiring manager chat.
- Design a weather widget
- Design Netflix
- Merge two sorted lists and truncate to k
Each round starts with 10-15 minutes of behavioral questions. Overall straight-forward rounds with one primary moderator and a secondary shadower. Most interviewers are kind and encouraging, but one of my rounds was kind of adversarial.
Recruiter was the best - very transparent and communicative. You can ask for salary bands and benefits information right away.
Interview questions [1]
Question 1
On-site: 2 system design questions + 1 very very easy data structures/algorithms questions + hiring manager chat.
- Design a weather widget
- Design Netflix
- Merge two sorted lists and truncate to k
I applied online. I interviewed at HubSpot (Dublin, Dublin) in Mar 2026
Interview
Smooth interview process , recruitment team is really good , read past glassdoor interview experience to know what to expect . whole process took around a week after the initial screening through codesignal round
Interview questions [1]
Question 1
System Design - Netflix
Coding Round - messaging system with accounts from 1 to N, need to figure out who is a spammer. The spammer messages everyone but does not receive any messages. - Problem statement is clear - but I/O is not given and the interviewer expects the problem to be solved in a particular w
I applied online. The process took 1 week. I interviewed at HubSpot (Saint Louis, MO)
Interview
Single exam no human interaction. The exam was like a college test, something completely unrelated to modern field work. Seemed a bit off base. Definitely didnt seem like a realistic approach to finding real humans to fit for a company.
Interview questions [1]
Question 1
Complete technical exam about solving programming algorithms.
I applied online. I interviewed at HubSpot in Nov 2025
Interview
1. Online assessment on CodeSignal to write a banking system
--> got rejected, but then contacted again to continue the process as they were re-evaluating the codesignal as an indicator.
2. 30 min call with recruiter going over basic information from resume and what the role would be like
3. Three technical interviews back to back - 2 system design and 1 coding
--> got rejected at this stage
Interview questions [3]
Question 1
Design a weather service that updates a widget that is used by a lot of people