Principal XR Game Engineer

You will own core technical systems for real-time immersive experiences. You will develop Unity systems for AR, VR, MR, and location-based gameplay; define technical architecture; optimize graphics and device performance; design multiplayer networking; debug headset and mobile platforms; improve tooling and deployment reliability; and lead technical decisions across interactive experiences.

Responsibilities

• Build and maintain real-time Unity systems for AR, VR, MR, and location-based gameplay
• Own technical architecture for interactive experiences across mobile and XR hardware
• Profile and optimize CPU, GPU, memory, thermal load, and frame pacing on target devices
• Diagnose and resolve rendering bottlenecks involving shaders, draw calls, overdraw, batching, LODs, textures, lighting, and post-processing
• Design and implement networking systems for multi-user immersive experiences
• Debug device, connectivity, build, and runtime issues across headset and mobile platforms
• Improve Unity tooling, build profiles, asset workflows, and deployment reliability
• Work with design, art, product, and operations to ensure experiences are technically stable and usable
• Help define engineering standards as the company grows

Requirements

• 8+ years of professional experience in games, XR, real-time 3D, simulation, or engine development
• Strong Unity and C# experience
• Experience shipping or maintaining real-time applications on constrained hardware
• Deep understanding of performance profiling and optimization for mobile, VR, AR, or MR
• Strong understanding of graphics engineering, rendering performance, shaders, GPU profiling, memory budgets, and frame timing
• Experience with multiplayer or networked real-time systems
• Ability to reason about network topology, authority models, synchronization, latency, and transport behavior
• Experience debugging on physical devices
• Ability to make practical technical decisions in a fast-moving environment
• Ability to work in an early-stage, evolving company environment
• Experience leading projects and making independent decisions
• Eligibility to work in the U.S.

Benefits

• Comprehensive health insurance
• Dental insurance
• Vision insurance
• 401(k) retirement plan
• Paid time off