Intro phone call. 3 hour assessment with making API request, manipulating data (finding days where all people can meet), then posting it. This is followed by behavioral phone call and finally on site interview.
Interview questions [1]
Question 1
Make an API request, manipulate the data, and post it back.
I applied through a recruiter. I interviewed at HubSpot
Interview
Sent resume to recruiter, received coding challenge soon after. Coding challenge was 3 hour test on parsing/posting API data. Behavioral phone interview after passing coding challenge, questions revolved around working in teams, etc.
I applied online. The process took 3 days. I interviewed at HubSpot (Boston, MA) in Jan 2016
Interview
They were generally very nice. It was a pretty simple interview process that was very streamlined. I liked how I was able to google and use any language I so choose for the coding challenge.