Senior Unity Platform Engineer - WebGPU/WebAssembly

Unity; Seattle (WA); On-site; USD 147,000 - 220,000; Full time

Benefits offered by this job

Health insurance

Stock ownership

Pension plan

Vacation days

Parental leave

Commute subsidy

Wellbeing programs

Employee resource groups

Volunteer matching

Training & development

Job summary

Unity is seeking a Senior Software Engineer to join a new team delivering platform support for a partner bringing games to TV and mobile. You will help design cross‑platform workflows and optimize WebGPU/WebAssembly performance for fast load times.

You will collaborate with Unity R&D worldwide to profile and optimize performance, fix bugs, and improve automated testing and code reviews, all while delivering scalable, high‑quality code in C#, C++, and JavaScript.

Qualifications

• Strong modern C# proficiency with a dedication to writing clean, testable code.
• Strong C++ and JavaScript skills in a large codebase.
• Solid understanding of how large applications span languages/frameworks including how synchronous/async calls are made and how memory is owned and marshalled.
• Experience designing and implementing scalable feature sets in a large multithreaded codebase.
• Proficiency with platform profiling tools (CPU/GPU/IO/memory).

Responsibilities

• Working as part of an agile team, to design and develop features and workflows in the Unity Editor to support these specific platform configurations.
• Profile and optimize WebGPU/WebAssembly performance — tackling load times, memory management, and the unique constraints of a browser-hosted Unity runtime.
• Ensure a stable platform by investigating and resolving bug reports
• Strengthen quality and delivery through automated testing and thoughtful code reviews — while fostering a culture of innovation, teamwork, and technical excellence.

Skills

C#

C++

JavaScript

Multithreading

Profiling

Job description

Unity is seeking a Senior Software Engineer to join a new team delivering platform support for a partner bringing games to TV and mobile. You will help design cross‑platform workflows and optimize WebGPU/WebAssembly performance for fast load times.

You will collaborate with Unity R&D worldwide to profile and optimize performance, fix bugs, and improve automated testing and code reviews, all while delivering scalable, high‑quality code in C#, C++, and JavaScript.