Pros
1. Great career opportunities: people got promoted based on their performance. 2. Good compensation: there is always a place for discussion with your manager, compensation review every year. You definitely can feel that Engrain values its people and tries to make them happy 3. One of the best parts of Engrain is the people who work there. So many smart and talented employees. 4. Nice new office - kitchen, coffee machine, beer on tap, conference rooms, meeting rooms, a ton of board games and a company library. 5. No micro-management, very flexible management.
Cons
If you do not want to work in a fast-growing company it could be not the best place for you. Engrain is changing the industry and there are definitely a lot of changes on the way.