Web Platform Engineer – C++/WebAssembly Focus

Unity; Brighton; On-site; GBP 43,000 - 74,000; Full time

Benefits offered by this job

Health insurance

Commute subsidy

Employee stock ownership

Pension plan

Generous vacation and personal days

Parental support

Office snacks

Wellbeing programs

Training and development

Job summary

Unity is hiring a Software Engineer to join the Web Platform team. You will help maintain and extend the Unity Web runtime, working with engineers at the frontier of browser technology to embed Unity in the browser across C++, C#, and JavaScript.

You’ll collaborate with teammates to optimize download size, load times, and startup performance while growing your skills in a highly technical space that reaches developers worldwide.

Qualifications

• Hands-on development experience with C++
• Familiarity with C# and/or JavaScript
• Curiosity about how browsers work under the hood, not building websites
• Ability to profile, debug and optimize native code
• Effective written/verbal communication within a distributed, multi‑functional team
• Forward thinker who perseveres on low‑level problems that take time to unpick

Responsibilities

• Maintain and extend the Unity Web runtime, contributing features and fixes across the platform
• Help improve the download size, load time and startup performance of Web builds
• Develop, profile, debug and optimize across C++, C# and JavaScript
• Scope your work with your manager and teammates, building on established patterns in the codebase
• Investigate and fix issues raised by internal teams and by developers shipping on the Web platform
• Keep pace with the browser’s constantly evolving capabilities and bring what you learn back to the team

Skills

C++ development

C# and/or JavaScript

Browser internals curiosity

Profile/Debug native code

Communication in distributed team

Problem solving perseverance

Job description

Unity is hiring a Software Engineer to join the Web Platform team. You will help maintain and extend the Unity Web runtime, working with engineers at the frontier of browser technology to embed Unity in the browser across C++, C#, and JavaScript.

You’ll collaborate with teammates to optimize download size, load times, and startup performance while growing your skills in a highly technical space that reaches developers worldwide.