We have several positions in my team which builds developer tools for programmers and data scientists. Almost everything we do is open source.
3 positions available for building tools for Python & R. Ideal candidate has a background in building IDE's (editors, debuggers, profilers, etc.). 4+ years exp required. The products/environments are: Visual Studio on Windows, VS Code for mac/linux/win. As an example of what we build, see: http://pytools.codeplex.com
2 positions for building an IPython/Jupyter service. Ideal candidate has a background working with similar technologies and/or large scale services. 4+ years relevant exp required. The dev env is Linux, docker, node. As an example, see http://tmpnb.org
1 Intern position available for working on a project related to the above products.
If interested, pls send your resume to smortaz over at microsoft.com.