XR Unity Engineer

About YouTrain

YouTrain builds a military XR training platform for armed forces, law enforcement, and emergency responders. Our products – DronAR, TrainAR, BrothAR, ShootAR, DrivAR, and MissionAR – combine immersive environments with real equipment, enabling scalable training for drone operations, tactical shooting, emergency driving, and mission planning. Our customers and partners include the Bundeswehr, BWI, the Cyber Innovation Hub, and Quantum Systems. We are an international, fast-growing team headquartered in the heart of Hamburg – made for those who protect us.

The Role

As XR/Unity Engineer you build the immersive training applications at the core of our products – from drone simulations to tactical shooting training to mission scenarios. You create performant, stable XR experiences for standalone headsets, integrate real equipment, and bring multiplayer scenarios for team training into the field.

What You'll Do

• Design, build, and ship XR training modules in Unity (C#) – for VR, AR, and mixed reality.
• Integrate interactions with real equipment (weapon replicas, controllers, drone remote controls).
• Implement multiplayer and multi-user scenarios for team training (network synchronization, voice).
• Optimize performance on standalone headsets (rendering, physics, memory, frame time).
• Work with level/scenario designers and military subject-matter experts to build realistic training content.
• Build reusable frameworks, tools, and components for faster content production.

About You

• 4+ years of professional Unity/C# experience; at least one shipped XR or demanding 3D product.
• Deep understanding of OpenXR or Meta/Pico SDKs, interaction design, and XR-specific performance optimization.
• Experience with multiplayer networking (e.g., Netcode, Photon, Mirror) a plus; solid understanding expected.
• Clean, testable code and experience with Git-based team workflows and CI.
• Self-driven, solution-oriented way of working in a fast startup environment.
• Good English; German a plus.

Nice-to-haves

• Experience with simulations (flight physics, ballistics, vehicles) or digital twins.
• Shader programming, 3D optimization (LOD, occlusion), Addressables.
• Interest in or experience with the defence/security sector.

What We Offer

• Meaningful mission: your work improves the operational readiness of those who protect us.
• Modern office in central Hamburg with a hybrid work model (office & home office).
• International team with colleagues across Germany, Ukraine, and other locations.
• Startup environment with real ownership, flat hierarchies, and fast decisions.
• Competitive compensation aligned with experience and responsibility.
• Deutschlandticket and Wellpass (fitness & wellness programs).
• Top equipment including the latest XR hardware.
• Individual learning and growth opportunities beyond your role.