The team is amazing, you feel like it is an extension of your family or friends. The product is interesting and there's so much to learn, even if you are a senior developer you can never get stale with your position, you're basically learning everyday.
Cons
The product is complex so you need to take it seriously. The excellence level can be quite challenging.
The team is growing fast so it's hard to integrate with everyone, which can feel disconnected sometimes.