Long writing task for application then two rounds of interviews. First round was an Informal coffee-chat, poor structure and leading questions. Non-professional impression of arranging meeting in a coffee-shop. later rounds were at their office

Easy, asked a few behavioral questions regarding my experience and why I wanted to work at Battery Ventures. Only one technical, which I completely messed up but it was easy. He was looking for 3 metrics that would be important for a PE firm to look at.