The opportunity

Unity Engine is used by millions of creators around the world to build powerful and engaging real-time experiences. Underlying these experiences is game code written in C# and targeting .NET.

Our team plays a key role in the development and maintenance of the .NET runtimes that power Unity. We deliver top-notch, critical components that empower scripting within Unity across all platforms. We embrace challenging problems and deep debugging sessions daily to ensure stable, portable, and high-performance technology for all Unity users.

If you're a passionate developer who thrives on tackling challenges and wants to help shape the future of game development, we want to hear from you!

What you'll be doing

  • Develop and Maintain Scripting Runtimes: Work with .NET, and IL2CPP to ensure robust and efficient runtimes for all Unity players and the Unity editor

  • Optimize Performance: Focus on reducing code size, minimizing memory usage, and increasing execution speed

  • Innovate and Enhance: Conduct research and develop Unity-specific optimizations, extensions, and functionalities within the .NET ecosystem

  • Integrate and Debug Open Source Software: Collaborate with and enhance the NET runtime, Roslyn C# compiler and the Mono runtime

  • Communicate Effectively: Provide clear solutions and feedback through documentation, forums, and bug reports

What we're looking for

  • Extensive experience with C++ and C#

  • Proven expertise in debugging, profiling, and optimizing applications

  • Experience developing across multiple platforms

  • Strong understanding of software development best practices and design patterns, a quality-first mentality and approach

  • Strong interpersonal and communication skills, with successful experience aligning multiple teams and stakeholders to deliver complex solutions

You might also have

  • Experience working with compilers, virtual machines, or garbage collectors

  • Experience working with .NET Core, Mono, or Xamarin

Additional information

  • International relocation support is not available for this position.

Life at Unity

Unity [NYSE: U] is the world's leading platform of tools for creators to build and grow real-time games, apps, and experiences across multiple platforms. Creators, ranging from game developers to artists, architects, automotive designers, infrastructure experts, filmmakers, and more, use Unity to bring their imaginations to life across multiple platforms, from mobile, PC, and console, to spatial computing.

As of the fourth quarter of 2023, more than 69% of the top 1,000 mobile games are made with Unity as derived from a blended number of the top 1,000 games in the Google Play Store and iOS App Store. In 2023, Made with Unity applications had an average of 3.7 billion downloads per month. For more information, please visit

Unity is a proud equal opportunity employer. We are committed to fostering an inclusive, innovative environment and celebrate our employees across 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. Our differences are strengths that enable us to support the growing and evolving needs of our customers, partners, and collaborators. If there are preparations or accommodations we can make to help ensure you have a comfortable and positive interview experience, please fill out this form to let us know.

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English. Headhunters and recruitment agencies may not submit resumes/CVs through this website or directly to managers. Unity does not accept unsolicited headhunter and agency resumes. Unity will not pay fees to any third-party agency or company that does not have a signed agreement with Unity.

Your privacy is important to us. Please take a moment to review our Prospect and Applicant Privacy Policies. Should you have any concerns about your privacy, please contact us at [email protected].

*Note: Certain locations require a good faith disclosure of the base pay for the role. The actual base pay for the successful candidate may differ based on location and level.

Gross pay salary

$138,700—$187,600 USD