Online Game Systems Engineer (Go/C++, UE5)

Ubisoft; Montreal (administrative region); On-site; CAD 90,000 - 130,000; Full time

Job summary

Ubisoft Montréal is seeking an Online Game Developer to design, build, and maintain client-side and backend online services for a new IP. This role focuses on scalable, reliable systems and close collaboration with multidisciplinary teams to ensure a smooth player experience.

You’ll work with Go, C++, Unreal Engine 5, REST APIs, and cloud services like AWS to enable seamless online connectivity and performance. Office-based with opportunities to contribute to CI/CD practices and game growth.

Qualifications

• Proficiency in Go and C++ required.
• Experience with Unreal Engine 5 or similar.
• Backend systems development for AAA games.
• Expertise in REST APIs.
• Experience with AWS cloud services.
• Knowledge of online services database design.
• Strong bilingual communication (French & English).
• Ability to collaborate with multidisciplinary teams.

Responsibilities

• Gather requirements and propose solutions for core game systems and features.
• Design, develop, and maintain client-side and backend online systems.
• Collaborate with production and programming teams for reliability and performance.
• Develop tools to monitor and track service performance and availability.
• Implement CI/CD practices and tooling for smooth releases.
• Contribute to service architecture evolution to support game growth.
• Troubleshoot issues and optimize existing systems.
• Improve development workflows and technical practices.
• Support seamless online service integration across teams.

Skills

Go

C++

Unreal Engine 5

REST APIs

AWS

Database design

French & English

Tools

Unreal Engine 5

Job description

Ubisoft Montréal is seeking an Online Game Developer to design, build, and maintain client-side and backend online services for a new IP. This role focuses on scalable, reliable systems and close collaboration with multidisciplinary teams to ensure a smooth player experience.

You’ll work with Go, C++, Unreal Engine 5, REST APIs, and cloud services like AWS to enable seamless online connectivity and performance. Office-based with opportunities to contribute to CI/CD practices and game growth.