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Principal Software Engineer

The Xamarin division of Microsoft strives to create the best mobile development experience in the world. We have an immediate opening for a Principal Software Development Engineer (Principal SDE) to help evolve our platform to the next level.

Our team is responsible for designing and developing several products, including the iOS Designer, Android Designer and the Xamarin. Forms Previewer. This includes integrating with Xamarin Studio and Visual Studio on both Windows and Mac.

You will be involved in the design and architecture of an exciting new project. You’ll need to strike a balance between maximum code reuse while still giving the best native experience in both Xamarin Studio and Visual Studio. You will also be involved in related refactoring, maintenance and enhancements of existing projects.

We work in a constantly evolving eco-system and have to be able to balance on-going feature development with the need to support all the nuances of the mobile platforms. If you have the passion for mobile development, then this could be the job for you!


• C# expertise required

• Strong experience in one, or more, of WPF, AppKit and Xamarin.Mac required

• Experience designing, implementing and maintaining cross platform tools

• Familiarity with Xamarin.Forms, Xamarin.iOS and/or Xamarin.Android preferred

• Experience writing Visual Studio extensions and/or Xamarin Studio extensions.

• 8+ years industry experience

• BA/BS or MS degree in Computer Science or equivalent experience

This role can either be based out of Boston, MA or can be a remote position.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity or expression, religion, national origin or ancestry, age, disability, marital status, pregnancy, protected veteran status, protected genetic information, political affiliation, or any other characteristics protected by local laws, regulations, or ordinances.

Job #



United States, Cambridge (MA)

Job families

Development (engineering)


Cloud and enterprise