Senior Physics Developer in Cupar

The opportunity Unity reaches the world on the next billion devices, from mobile phones to high‑end PCs. We enable creators whether they’re making their indie dream game or the next AAA mega‑hit. We need the help of people like you to make our Physics tools and runtime highly performant and scalable! The Unity Physics team develops and maintains Unity's Physics systems. As a Software Engineer on the Physics Team, you will implement new features, iterate on existing features, and incorporate feedback from internal and external customers to improve performance, adaptability, and usability. Your work will help Unity users at every stage of their career to get the most out of our tools. We collaborate with Unity engineering teams around the globe, write C++ in the Unity engine, C# in the scripting layer, and use a handful of additional technologies that come with the platforms that we support — such as PC, Mac, iOS, Android, Web, and consoles.

What you'll be doing:

• Maintaining and developing Physics SDKs integration across Unity platforms
• Optimizing the performance and stability of our physics backends
• Ensuring reliability and correctness of Physics solvers within Unity
• Developing features, workflows or tools as needed for creators to author Physics in Unity

What we're looking for:

• Strong C++ and C# programming skills
• Experience with maintaining and developing Physics SDKs integration (PhysX, Bullet, Havok or some equivalent)
• A good understanding of rigid‑body dynamics, constraint solvers, and collision detection algorithms
• Prior experience with Unity
• Interest in contributing to other areas of the engine

Additional information:

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

Benefits:

At Unity, we want our team members to thrive. We offer a wide range of benefits designed to support well‑being and work‑life balance. Please note: Benefits eligibility, specific offerings, and coverage vary based on the country and employment status. While specific benefits vary, here are some of the ways we strive to take care of our eligible team members globally:

• Comprehensive health, life, and disability insurance
• Commute subsidy
• Employee stock ownership
• Competitive retirement/pension plans
• Generous vacation and personal days
• Support for new parents through leave and family‑care programs
• Office food snacks
• Mental Health and Wellbeing programs and support
• Employee Resource Groups
• Global Employee Assistance Program
• Training and development programs
• Volunteering and donation matching program

Life at Unity:

Unity [NYSE: U] is the world’s leading game engine, powering play for more than 3 billion consumers each month. The top mobile games in the world, the most played PC indie titles, the most innovative console games, and virtually all of the top XR and Web Games are developed, deployed, and grown in Unity. Unity also enables teams across industries like automotive, manufacturing, and healthcare to design, simulate, and collaborate in 3D — closing the gap between ideas and reality.

Equal Opportunity:

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 you have a disability that means 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.

Language Requirement:

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.