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San Francisco, CA Mixpanel (YCS09; http://mixpanel.com) is the most advanced advanced analytics platform ever for web & mobile applications. Mixpanel is profitable, with thousands of customers and millions in monthly revenue. ENGINEERING CULTURE Our engineering culture: * We do very thorough, line-by-line code reviews using GitHub pull requests. This keeps our code quality high and helps us learn. * We try to have two people work together on every project (collaborating, not pairing). It's more fun and it results in better code. * We practice rapid iteration. If it's better than live, we ship. We also build things so they can go live (whitelisted) long before launch day. * We write tests for things that are mission-critical, prone to failure, or cause paranoia. Think billing and datastore code, not Django views. * We care about learning. Right now we're reading through Advanced Programming in the Unix Environment. * We currently have 9 vim users, 2 IntelliJ, and 1 emacs holdout. ENGINEERING POSITIONS We have two types of engineering positions available - systems and product. Both of these positions require you to be able to work in San Francisco, CA. Systems engineers build and scale our infrastructure, and write mostly C, C++, and Python. We are working on a number of new products right now with serious infrastructure challenges and we need more people with great depth to help us solve them. This position requires at least 4 years of experience. Responsibilities of this role include: * Working on our custom datastore (written from the ground up in C) * Scaling the data processing pipeline (currently handling > 50K requests per second) * Building notification delivery infrastructure (currently sending > 100M emails & push notifications per month) * General improvements to performance, reliability, and security * Work with the rest of the engineering team to design, build, deploy, and maintain systems If you're interested in a more full-stack role, check out the Product engineer position: http://boards.greenhouse.io/mixpanel/jobs/7910 -- The engineering team is still small (12), and there's a lot of interesting stuff to do. Happy to talk details. If you're interested, drop me a line - tim@mixpanel.com.