Here's what people say about working at AWS, Amazon's profit-pumping $12 billion cloud business

Thomson Reuters

Amazon CTO Werner Vogels

Most people know Amazon as the online shopping site that sells everything from books to fresh groceries.

But the real growth-driver behind Amazon is its cloud business called Amazon Web Services (AWS), which is on pace to hit over $12 billion in annual revenue.

AWS is now Amazon's most profitable and fastest-growing business. At this rate, it may also become one of the most popular workplaces for engineers.

We looked through Glassdoor, Quora, and other sources to see what people say about their experience working at AWS.

Disclosure: Jeff Bezos is an investor in Business Insider through hispersonal investment company Bezos Expeditions.