Microsoft

The great thing about a company like this is that they have the resources, talent, and market share to affect millions of people's lives in a positive way. Working there gave me a great sense of being able to make an impact on the world. It's filled with people that know how to make good software and work hard.

The management structure has stifled the company's ability to innovate. It doesn't allow individual creativity and ingenuity to flourish and contribute to the product.

It's easy to get pigeon-holed in a specific role. As a result, you have to be willing to change groups every couple of years if you want to ensure you don't get bored and you continue to receive the compensation you deserve.

There are too many people in management positions that don't belong there.

There needs to be a tighter screening of the people you promote to management-level positions. The ones that make it there need to be more open and accepting of the contributions their team members can make, which might not fit into the strict definition of their role.

Sometimes the best innovation comes from somebody who is close to the product but might not work in a particular area (a developer with a great UX idea, a tester with a great feature idea, etc.).