HubSpot

They gave you a brief tour of the office. The buildings are great, with awesome perks. After that, I had three 45-minute interviews. There was more talking than actual coding if you carried the conversation. The first two interviews were with one p

I found their job posting online and was emailed a coding challenge a few days later. You were given three hours to complete the following problem: You must hit a unique API to receive JSON data, modify and analyze the data, and then generate JSON i

It's a 3.5-hour interview with only a 15-minute break. The interview process was alright. They do nitpick, so brush up on every little detail you can think of. I provided an O(n) solution using a sliding window for something that would have otherwis