Senior Software Engineer San Francisco, CA

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Unity is expanding its platform support to new classes of devices as well as ecosystems based on other 3D engines. To that end, we’re establishing a new team, Platform Iteration, within the Platform organization. This team will evolve the architecture of simulation and play mode in the editor, and build innovative features using Unity’s groundbreaking communication protocol, Poly Spatial.

We're seeking engineers with a keen interest in game engine architecture and proficiency with a range of 3D technologies. Our primary development languages are C# and C++.

As a Senior Engineer on this team, you'll help to deliver key features and their underlying architecture. You'll collaborate with other team members, and occasionally with engineering teams across Unity. If you're eager to integrate diverse technical domains and influence the future of spatial computing, this is a great opportunity for you!

• Writing fast and maintainable code in C#, and occasionally in C++
• Implementing Poly Spatial support for Unity engine features
• Helping to bring up new platforms and integrate with virtual ecosystems
• Collaborating with other engineering teams across Unity

• Experience using C#, and a working knowledge of C++
• A working knowledge of technologies such as graphics, netcode, authoring tools, animation, physics, script interpreters, and compilers, and the ability to learn and become a domain expert in at least one of the above
• Experience developing game engine cores, middleware, or creating games
• Familiarity with profiling and debugging tools

• Experience using Unity or other game engines/content creation software
• Excellent verbal and written communication skills
• Familiarity with existing XR/AR/VR technologies

• International relocation support is not available for this position
• Work visa/immigration sponsorship is not available for this position

We offer a wide range of benefits designed to support employees' well‑being and work‑life balance. You can read more about them on our career page.

Unity [NYSE: U] is the leading platform to create and grow games and interactive experiences. 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 third quarter of 2024, more than 70% of the top 1,000 mobile games were made with Unity, and in 2024, 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,…