Senior Unity Platform Engineer – WebGPU/WebAssembly

LE130 Unity Technologies SF; Seattle (WA); Hybrid; USD 130,000 - 195,000; Full time

Benefits offered by this job

Equity awards

Annual bonuses

Health insurance

Retirement plans

Commuter subsidy

Paid time off

Job summary

Unity Technologies seeks a Senior Software Engineer to help deliver Unity platform support for streaming from Linux, browser builds, and cross‑device runtime efficiency. You will design and optimize for WebGPU/WebAssembly, profiling CPU/GPU/memory, and ensuring a stable, scalable editor workflow across platforms.

The role emphasizes strong C++ in large codebases, Unity Editor/C# involvement, and collaboration with global R&D teams.

Qualifications

• Strong C++ in a large production codebase.
• Experience with WebAssembly and Emscripten.
• Familiarity with real-time 3D rendering techniques and graphics APIs like WebGPU or Vulkan.
• Ability to reason about memory, startup time, and binary size across cross-language boundaries.
• Experience designing and implementing scalable, multithreaded features.

Responsibilities

• Design and develop features in the Unity Editor for platform configurations.
• Profile and optimize WebGPU/WebAssembly performance, focusing on load times and memory management.
• Investigate and resolve bug reports to maintain a stable platform.
• Strengthen quality through automated testing and thoughtful code reviews.

Skills

C++

WebAssembly

Emscripten

Rust

WebGPU

Vulkan

C#

Profiling

Multithreading

Tools

Emscripten

WebGPU

Rust

WebAssembly

Job description

Unity Technologies seeks a Senior Software Engineer to help deliver Unity platform support for streaming from Linux, browser builds, and cross‑device runtime efficiency. You will design and optimize for WebGPU/WebAssembly, profiling CPU/GPU/memory, and ensuring a stable, scalable editor workflow across platforms.

The role emphasizes strong C++ in large codebases, Unity Editor/C# involvement, and collaboration with global R&D teams.