Senior Engine Architect: AI‑Driven 3D Systems

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

Benefits offered by this job

Health, life & disability insurance

Commute subsidy

Employee stock ownership

Retirement plans

Vacation and personal days

Parental leave support

Office snacks

Mental health programs

ERGs (Employee Resource Groups)

Global Employee Assistance Program

Training and development

Volunteer and donation matching

Job summary

Unity Technologies in the United States is seeking an experienced Engine/Core Systems Engineer to help define runtime protocols, formats, and execution models for encoding, compressing, and replaying interactive 3D content across engines and AI models.

You will own and evolve engine subsystems from low-level C++ runtime code to high-level C# APIs across editor, build, simulation, streaming, and playback, while optimizing for bandwidth, latency, determinism, and memory.

Qualifications

• Experience building or extending game engine cores or foundational systems.
• Practical AI/ML integration into production software and model workflows.
• Ability to design modular, testable systems and ship end-to-end.

Responsibilities

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

Skills

Core Engine Experience

AI Systems Fluency

Architecture & Execution

High-Performance Coding

Engine-Wide Breadth

Tools

C++

C#

Serialization

Job description

Unity Technologies in the United States is seeking an experienced Engine/Core Systems Engineer to help define runtime protocols, formats, and execution models for encoding, compressing, and replaying interactive 3D content across engines and AI models.

You will own and evolve engine subsystems from low-level C++ runtime code to high-level C# APIs across editor, build, simulation, streaming, and playback, while optimizing for bandwidth, latency, determinism, and memory.