Principal XR Game Engineer

As a Principal XR Game Engineer, you'll own core technical systems for MeshMap's real-time immersive experiences. You'll work across Unity development, graphics optimization, networking, device performance, and deployment pipelines., * 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 performance on target devices, including CPU, GPU, memory, thermal load, and frame pacing
• Diagnose and resolve rendering bottlenecks related to shaders, draw calls, overdraw, batching, LODs, textures, lighting, and post-processing
• Design and implement networking systems for multi-user immersive experiences, including authority, replication, synchronization, latency, and bandwidth management
• Debug device, connectivity, build, and runtime issues across headset and mobile platforms
• Improve Unity tooling, build profiles, asset workflows, and deployment reliability
• Work closely with design, art, product, and operations to ensure experiences are technically stable and fun to use
• Help define engineering standards as the company grows

• 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 clearly about network topology, authority models, synchronization, latency, and transport behavior
• Comfortable debugging on physical devices, not just in-editor
• Strong ownership mindset and ability to make practical technical decisions in a fast-moving environment
• Comfortable in an early-stage, evolving company environment
• Comfortable leading projects and making independent decisions
• Must be eligible to work in the U.S.

Nice to Have

• Experience developing for Meta Quest, Magic Leap, XREAL, HoloLens, or similar XR devices
• Experience with location-based entertainment, venue-scale XR, spatial anchors, or real-world mapping
• Familiarity with Mirror or other networking solutions such as Photon, Netcode, FishNet, custom UDP/KCP transports, relay servers, or bespoke dedicated server architecture
• Knowledge of Unity URP, Shader Graph, custom render features, compute shaders, and graphics debugging in Unity
• Experience with with DOTS/ECS, Burst, Jobs, low-level C#, native plugins, or data-oriented optimization
• Has handled Android builds, ADB, Gradle, Logcat, manifests, and XR package conflicts
• Experience building internal tools, SDKs, creator workflows, or technical samples
• Startup or small-team experience

Pulled from the full job description

• 401(k)
• Health insurance
• Paid time off
• Vision insurance
• Dental insurance
• Paid sick time, * Annual base salary range: $150,000 - $185,000 depending on experience
• Comprehensive health, dental, and vision insurance
• 401(k) retirement plan
• Paid time off, * Dental insurance
• Health insurance
• Paid sick time
• Paid time off
• Vision insurance

GLO is reimagining sightseeing for the age of immersive tech. We create interactive gaming tours that transform real city streets into playful, story-rich experiences using cutting-edge augmented reality (AR) technology. Our tours are social, creative, and designed to make people feel like they've stepped inside the city rather than just walked through it.