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If you could work anywhere, what would you do?

- Wouldn't you want to work towards genuinely making the world a better place?

- Wouldn't you want to work in a close-knit team alongside some of the brightest engineers in the industry?

- Wouldn't you want to work on solving interesting problems that haven't been solved before?


At Khan Academy, I truly believe that you can find all of those things and more. We're a small, 50-person nonprofit tech startup making a big difference in the world. A few weeks ago, we found this great story through the fascinating blog "Humans of New York" – please take a moment to read it:


This is just one story, but every month we hear about hundreds of lives that we've transformed, and there are thousands more we don't hear about.

Lots of people know us for Sal's videos, but we also have hundreds of videos by other teachers and a huge library of math practice exercises. Our 100,000+ practice problems have been done over 1.5 billion times total. That's a huge number.

This gives us the ability to study learning in a way that no one has previously been able to do. We've run tests which show that students learn more when they're advanced quicker by a custom machine-learning algorithm [1]. As I write this we're running dozens of A/B tests to learn what we can do to make people learn more, from testing how review scheduling affects accuracy to simply testing different teaching styles.

Whether you're a machine learning guru or you take pride in perfecting UI details for a dropdown menu [2], we have something for you. You'll be working alongside a small team with the best in the business – though we have "celebrity" devs like jQuery creator John Resig and Google's first employee (and former Director of Technology) Craig Silverstein, we have many more you haven't heard of but who are just as awesome.


I'm going to put in a special plug for mobile: Around 20% of our traffic comes from phones and tablets but we have only two people (me and one other person) working on our apps right now. Our iOS app is fairly basic, but it already has a few million downloads. We want to make it awesome. If you're a mobile developer we can build a great team around, please reach out. You can't find this sort of opportunity in very many places.

We're hiring engineers (web, mobile, data science), product designers, a community manager, and more. Oh, and if you want to have a great summer (or fall or spring) building real features for real users, we're hiring interns too.

Apply at https://www.khanacademy.org/careers directly (say you saw us on HN!) or feel free to email me at alpert+HN@khanacademy.org with any questions.

[1]: http://derandomized.com/post/51729670543/khan-academy-machin...

[2]: http://bjk5.com/post/44698559168/breaking-down-amazons-mega-...

> "You need: Authorization to work in the US"

Understandable given your size yet personally quite disappointing :( Any plans for sponsoring visas in the near future?

KA probably receives too many applications. Even when, some time ago, I was happy to volunteer for free, I just got an automated email and no response. Perhaps because of visa issues ? Or maybe there is too much supply because who would not want to help change the world ?

If you never received a (human) response from us, that's a mistake on our part. I'm sorry about that.

Unfortunately coordinating volunteers takes a lot of time and we haven't found it in our interests so far to really go down that road; in order to be able to move fast we're currently looking to hire only people with a longer-term commitment.

Right now I believe we can sponsor renewals but not initial applications. I don't know of any immediate plans to change that, sorry.

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