Vantaggi
The engineering staff is solid as a whole, good people, enjoyable work days. It obviously varies somewhat by team, but all are pretty strong. They restructured the career paths/titles/job descriptions in mid-2014 and now it feels like there is a growth path. The group I was in aggressively pushed people they identified as having potential into new roles as available. This company also has a very good work-life balance and really wants to help fix education.
Svantaggi
The perks are lacking, as in there had been effectively none. It was just starting to change when I left (mid-2014). Salary is the same, hasn't been up to market, but they're making a slow effort to raise pay. As Amplify is now owned by News Corp, there is a feeling of levels of management above the average engineer reaching into the sky and just not providing any value. There is a very lenient work from home policy that I think hurts team cohesion at times. It was not unusual for me to be the only one in the office for one of my teams. While the engineering is solid, it's about 1/5th of the company in terms of people and sometimes I think the company forgets that this is a technology company and engineering is not always front-and-center.