Pros
Great pay and stocks Relaxed dress code Opportunity to work with some of the most talented, intelligent and creative minds The American dream of advancing up the chain exists here, if you have smarts and drive There are some great managers here (but also some completely awful ones)
Kontras
Upper management is to be obeyed under all circumstances, which can sometimes mean that a project must switch gears or be held up waiting for senior management approval. Company has gotten so big that bureaucracy rules the day - getting resources from other teams or getting sign-off requires filling out forms, attending meetings to beg for things to get done, all while your own project must be done at breakneck speed. Topgrading philosophy means that bottom 10% of employees are automatically "managed out" of the company with no exceptions. This can sometimes mean that employees that we would hire according to the hiring bar must be fired. This also breeds a culture of fear, and doesn't inspire great work performance, but instead preening in front of managers to get good marks while throwing others under the bus.