If you see Berlin startup from Rocket Internet (like HelloFresh is) you can safely assume it has horrible working conditions.
Happy to share some more information to clear up some comments here - We're a publicly traded company with 3000+ employees worldwide and a very much independent!
To see more information about our working environment for the roles mentioned here - You can check out Glassdoor for our Berlin reviews (https://www.glassdoor.com/Reviews/HelloFresh-Berlin-Reviews-...).