Unity Technologies is hiring a

Software Engineer, .Net Runtime

Pittsburgh, United States

We are looking for a determined software developer to help deliver a world class scripting experience for Unity users. You will be part of a focused team delivering high quality, critical components to power scripting within Unity across all platforms. Hard problems and in-depth debugging sessions will be daily occurrences as part of delivering stable, portable, and performant technology for our users to build upon. A desire to learn and improve as part of a collaborative team is necessary.


  • Development and maintenance of all scripting runtimes: .NET, Mono, and IL2CPP
  • Integration, debugging, and upgrading open source software like the Roslyn C# compiler, the Mono runtime, and the .NET Core GC
  • Optimization of generated code size, memory usage, and execution speed
  • Research and development of Unity focused optimizations, extensions, and functionality within the .NET ecosystem
  • Communication of solutions and feedback to users via documentation, forums, and bug reports


  • Excellent C, C++, and C# programming skills
  • Excellent debugging skills
  • Experience developing across multiple platforms
  • Optimization and profiling skills
  • Focus on quality/test driven development

Bonus Points

  • Experience working with compilers, virtual machines, or garbage collectors
  • Experience contributing to open source software
  • Experience working with Mono, .NET Core, or Xamarin
  • Experience using Unity

About Unity Technologies

Unity is the world’s leading platform for creating and operating real-time 3D (RT3D) content. Creators, ranging from game developers to artists, architects, automotive designers, filmmakers, and others, use Unity to make their imaginations come to life. Unity’s platform provides a comprehensive set of software solutions to create, run and monetize interactive, real-time 2D and 3D content for mobile phones, tablets, PCs, consoles, and augmented and virtual reality devices.

The company’s 1,400+ person research and development team keeps Unity at the forefront of development by working alongside partners to ensure optimized support for the latest releases and platforms. Apps developed by Unity creators were downloaded more than three billion times per month in 2019 on more than two billion unique devices. For more information, please visit www.unity.com.   

Unity is an equal opportunity employer committed to fostering an inclusive, innovative environment with the best employees. Therefore, we provide employment opportunities without regard to age, race, color, ancestry, national origin, religion, disability, sex, gender identity or expression, sexual orientation, or any other protected status in accordance with applicable law. If there are preparations we can make to help ensure you have a comfortable and positive interview experience, please let us know.

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