Pros
Excellent place to learn how tech companies on the scale of Amazon operate. Technical learning is very rapid, with access to the enormous Amazon engineering community and their knowledge. Management insight is also part of daily life, leadership principles set across the company are used to assess performance, as the framework for personal development and as the benchmark for recruitment decisions and they're very useful. It's exciting to be exposed to Amazon-scale engineering challenges. IMDb itself retains some small-company feel within Amazon and is a desirable destination for horizontal moves from other parts of Amazon.
Cons
Work culture is heavily influenced by Amazon. This brings high pressure and a greater emphasis on individual contribution than on team accomplishments.