It starts with a technical problem involving a json file. You're given a large database to manipulate a combination of dictionaries and arrays to rearrange info based on a different parameter, like rearranging from being ordered by location to being ordered by ages of people in the database.
Interview questions [1]
Question 1
Rearrange the json and return a json with a dictionary with different keys
I applied online. The process took 2 weeks. I interviewed at HubSpot (Boston, MA) in Oct 2025
Interview
The interview process was two hours long. One hour JavaScript technical and one hour coding technical. Overall, chill interviewers and the questions were fair game. I would go through other posts on glassdoor.
Interview questions [1]
Question 1
JSON related question and basic JavaScript questions
I had one of the best interviewing experiences. it started with an OA involving API calls, followed by a thoughtful behavioral round, a LeetCode-style coding challenge, and a system design interview. The recruiter was incredibly kind and communicative throughout, and all the interviewers were chill, and helpful.
The interview process was really quick. A coding problem gets sent to you, then recruiter interview and last round is 2 1 hour meetings with an engineer. One was system design and other was leetcode easy/medium