Senior Core Engine Architect

LE130 Unity Technologies SF; Seattle (WA); Hybrid; USD 150,000 - 195,000; Full time

Benefits offered by this job

Comprehensive health, life, and long‑/

Disability insurance

Commute subsidy

Employee stock ownership

Competitive retirement/pension plans

Generous vacation and personal days

Parental leave and family-care support

Office snacks and wellness programs

Diversity and inclusion programs

Job summary

Unity Technologies in Seattle is seeking an experienced engineer to help advance the core engine, networking, and graphics for real-time 3D runtimes. You’ll work across C++ and C# APIs, optimizing performance in host environments you don’t control.

You’ll design modular architectures, contribute to loading and serialization, and collaborate with teams across engine domains to ship low-latency features and reliable execution.

Qualifications

• Experience building or extending game engine cores, middleware, or foundational systems.
• Design modular, testable systems and implement end-to-end.
• Strong C++ and C# skills with understanding of CPU caches, memory layout, and profiling.

Responsibilities

• Own and evolve core engine subsystems across C++ to C# APIs.
• Design high-performance, extensible APIs for embedded, cross-process, and networked configurations.
• Manage loading, serialization, and synchronization of components and assets in bandwidth- and latency-constrained environments.

Skills

Core Engine Expertise

Architectural Vision

High-Performance Coding

Engine-Wide Breadth

Job description

Unity Technologies in Seattle is seeking an experienced engineer to help advance the core engine, networking, and graphics for real-time 3D runtimes. You’ll work across C++ and C# APIs, optimizing performance in host environments you don’t control.

You’ll design modular architectures, contribute to loading and serialization, and collaborate with teams across engine domains to ship low-latency features and reliable execution.