I had one round of phone interview, next Skype interview and then the day long project which they I read in earlier posts. I was given a 6 hour window to complete and I completed in approx 4 hours. I answered all their questions and overall I thought I gave my best interview. However, today I receive email saying I wasn't best fit. This is not a specific answer after coming this far in interview process. I should have read the reviews and not apply to this position. This is total BS. Waste of time and energy.

For data science, the biggest part is a one day onsite project where you present your solution to a holdout test set, describe your thought process, and work with us so we can both see what it'll be like with each other day in and day out. We go to lunch together so you can chat to some team members and ask open ended questions (which you can also do at the end of the day).