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Microsoft (Chakra JavaScript Runtime team) | Seattle (Redmond) | Software Engineer | Full-time | Onsite | https://github.com/Microsoft/ChakraCore/ Join Microsoft's JavaScript runtime team! Chakra is the JavaScript runtime that powers Edge and other Microsoft properties. ChakraCore is the Open Source heart of Chakra. We work primarily in the open (on github), and with standards bodies and the Node community. We are actively looking for engineers who can help us on our mission to make JavaScript fast on Windows, Linux & other platforms. This is a great opportunity. Your work will ship to 100s of millions of users (literally), and you'll have opportunities to shape the JavaScript language and browser programming for developers around the world. - Responsibilities: - Solve hard problems - Work effectively on a team - Read & write low-level C++ - Low-level performance tuning on a variety of OS platforms - Qualifications: - Some background in JavaScript (either for web or node.js) - Expertise in low-level performance tooling and investigations - Excited to work in public open-source communities, as well as behind-the-scenes with internal partners - Compiler/Runtime experience (preferred) - API design (preferred) - 5+ years of experience – you’ve made some mistakes & had to live with the consequences. (preferred) You must be eligible to work in the US, and must pass Microsoft background checks prior to the start of employment (further details will be provided). If this sounds like fun, send us a short intro + resume to chakracore (at) microsoft (dot) com.