XR & Rendering Engineer

Persona AI is developing and commercializing rugged, multi-purpose humanoid robots that perform real work. Persona’s founding team has a decades-long history in humanoid robotics, bionics, and product development delivering robust hardware that has touched the stars, worked miles below the surface of the ocean, and even roamed Disney Parks. Our mission is focused squarely on shipping beautiful, reliable products at massive scale, while building a customer-focused team to achieve these aims. As our XR & Rendering Engineer, you own the human side of that experience. You'll build the immersive interfaces that operators live inside, obsessing over every frame, every millisecond of perceived latency, and every visual cue that separates genuine presence from a frustrating video game. Disorientation and broken immersion are your personal enemies. What You’ll Build • An immersive operator interface for our humanoid fleet, built in a real-time 3D engine — with genuine focus on usability and safety • Custom shaders and ray-traced rendering pipelines that give operators high-fidelity spatial feedback without sacrificing frame rate • Immersive frontend systems for Android and embedded Linux AR devices using Unity, Unreal, or OpenXR • XR interfaces that account for human perceptual limits — how latency feels, how disorientation builds, and how to prevent both • A visual feedback language for robot state, alerts, and operator guidance that works under pressure What We’re Looking For • 4+ years in software, with at least 2 years building 3D, XR, or real-time interactive applications • Deep expertise in a real-time 3D or game engine • Track record delivering XR features on Android or embedded Linux using OpenXR • GPU profiling, shader authoring, and hands-on ray tracing experience • Strong instinct for human factors: you think about how experience feels, not just how it renders • Familiarity with robotic spatial concepts: 3D geometry, coordinate frames, sensor visualization • Bachelor's degree in Computer Science, Human-Computer Interaction, or a related field • Strong ownership and communication skills; comfortable partnering closely with systems engineers Bonus Points • Shipped a consumer or industrial XR product end-to-end • Experience with motion capture or spatial tracking integration • Solid Rust or C++ for performance-critical rendering paths • Familiarity with modern build systems like Nix or Bazel Why This Role There's no established playbook for making humans feel genuinely present in a robot body. The rendering pipeline you build won't just look good — it will define how operators perceive, trust, and control physical machines in the real world. You'll have end-to-end ownership, a tight partnership with the systems team next to you, and the freedom to go as deep as the problem demands. Why join Persona AI? You'll shape technology that's redefining the possibilities of robotics and human interaction. Work alongside passionate teammates who value diversity, creativity, and continuous learning. Enjoy full access to advanced prototyping tools, labs, and the freedom to experiment and innovate. We offer competitive compensation, excellent benefits, flexible work environment, and equity opportunities. Persona AI embraces diversity and equal opportunity in a serious way. We are committed to building a team that represents a variety of backgrounds, perspectives, and skills. We believe the more inclusive we are, the better our work will be.

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