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Mark Zuckerberg, Facebook Founder
Mark Zuckerberg, Facebook Founder
40 under 40 rank: 2

What openings do you have now at Facebook?
I can't offer the total number of positions, but we're hiring all across the company. Our main focus is hiring the best technical talent around, from machine learning to infrastructure to front end development. We have many opportunities in every facet of software engineering; artificial intelligence, distributed databases, operating systems, interaction design and much more. We also have openings in the sales, design, and online operations functions, along with other areas.

What's great about the jobs?
Personal impact. The site is built by a relatively small group of the smartest engineers where the ratio of Facebook users to Facebook engineers makes it so that every engineer here is responsible for more than one million users. It's hard to have an impact like that at any other tech company in the world. We also move as fast as we can to launch things quickly and then iterate to make them better. We would rather take risks and break a few things in the process than move slowly. It's not unusual for the code someone writes one day to be in use by hundreds of millions of users that same night.

What are you looking for?
We're a culture of entrepreneurs and builders who move fast to get things done and strive to make an impact on the world.

Any secrets to impressing you?
If you really want to catch our attention, see if you can solve our programming puzzles at facebook.com/puzzles. --Jessi Hempel

NEXT: Aaron Patzer, Mint.com Founder and CEO

Last updated October 22 2009: 7:52 AM ET
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