Senior AI-Powered 3D Engine Architect

Unity Technologies; Washington; On-site; USD 130,000 - 196,000; Full time

Benefits offered by this job

Health insurance

Stock options

Retirement plan

Vacation and personal days

Mental health programs

Job summary

Unity Technologies in Washington is seeking a senior engineer to help extend Unity content into other engines and platforms through streaming and AI-driven runtimes. You’ll work on visionOS support, Play-to-Device, and PolySpatial initiatives, building protocols, formats, and runtime systems for cross-engine compatibility and real-time interactivity.

The role spans core engine tech, graphics, networking, distributed systems, media, and AI, requiring strong C++/C# coding, architecture design, and

Qualifications

• Core engine experience building or extending engine cores, middleware, or subsystems.
• Practical experience integrating AI/ML into production software and runtimes.
• Ability to design modular, testable systems and ship them end-to-end.
• Strong C++ and C# skills with an understanding of real-time performance tradeoffs.
• Breadth across engine domains and how they interact (physics, rendering, etc.).

Responsibilities

• Define runtime protocols, formats, and models to encode, compress, and replay 3D content between engines and AI models.
• Own and evolve subsystems across the engine stack, from low-level C++ runtime code to high-level C# APIs across editor, build, simulation, streaming, and playback.
• Build systems to capture, serialize, stream, and synchronize scene state, components, assets, user interactions, and rendering data under tight bandwidth, latency, determinism, and memory constraints.
• Design interfaces and feedback loops that allow AI systems to inspect engine state, invoke engine capabilities, and validate outcomes.

Skills

Core Engine Experience

AI Systems Fluency

Architecture & Execution

C++

C#

Engine-Wide Breadth

Performance Optimization

Job description

Unity Technologies in Washington is seeking a senior engineer to help extend Unity content into other engines and platforms through streaming and AI-driven runtimes. You’ll work on visionOS support, Play-to-Device, and PolySpatial initiatives, building protocols, formats, and runtime systems for cross-engine compatibility and real-time interactivity.

The role spans core engine tech, graphics, networking, distributed systems, media, and AI, requiring strong C++/C# coding, architecture design, and