Senior Core Engine Architect

Unity; San Francisco (CA); On-site; USD 180,000 - 260,000; Full time

Benefits offered by this job

Health insurance

Employee stock ownership

Generous vacation and personal days

Snacks and office meals

Commuting subsidy

Mental health programs

Job summary

Unity is seeking engineers to invent how real-time 3D runtimes communicate and render under real-world constraints. You will design modular, testable systems and implement them end-to-end, from low-level C++ to high-level C# APIs across editor, build, and runtime code.

This is deep engine work at the intersection of core engine tech, high-performance networking, distributed systems, and graphics, with responsibilities spanning performance, determinism, and cross-process orchestration.

Qualifications

• Strong C++ and C# programming skills across engine, editor, and runtime code.
• Experience designing/game engine cores, serialization, and build pipelines.
• Deep knowledge of multithreading, job systems, and low-latency networking for real-time systems.
• Familiarity with determinism, replay systems, compression, streaming, and network protocols.

Responsibilities

• Own and evolve critical subsystems across the engine stack, from low-level C++ to high-level C# APIs.
• Design and implement high-performance, extensible APIs for embedded, cross-process, and networked configurations.
• Develop schemes to manage execution timing and resource contention within or between processes and over the network with minimal overhead.
• Orchestrate loading, change tracking, serializing, and synchronizing components and assets in bandwidth-constrained environments.

Skills

C++

C#

Engine development

Multithreading

Serialization

Networking

CPU profiling

DOTS

Tools

Profiling tools

Job description

Unity is seeking engineers to invent how real-time 3D runtimes communicate and render under real-world constraints. You will design modular, testable systems and implement them end-to-end, from low-level C++ to high-level C# APIs across editor, build, and runtime code.

This is deep engine work at the intersection of core engine tech, high-performance networking, distributed systems, and graphics, with responsibilities spanning performance, determinism, and cross-process orchestration.