Online Programmer - OS (Game Network)

Ubisoft; Montreal; On-site; CAD 120,000 - 180,000; Full time

Job summary

Ubisoft Montréal is seeking a Senior C++ Engine Programmer for the Core Services - Online Tech Foundations team. You will help design and evolve distributed systems and middleware used across Ubisoft productions, including engine integration, networking, and online components.

You will work to develop reliable, high-performance C++ middleware, drive architectural decisions, and mentor teams while maintaining code quality and performance across platforms.

Qualifications

• Proven experience in C++ middleware and engine-level programming.
• Ability to design high-performance algorithms and data structures.
• Strong debugging, profiling, and performance-tuning skills.
• Experience with CI/CD practices and tools in complex projects.

Responsibilities

• Develop and improve reliable, high-performing C++ middleware.
• Contribute to technical direction and architecture choices.
• Improve code quality via reviews and best practices.
• Solve complex technical problems and optimize performance.
• Reduce risks and technical debt to keep solutions sustainable.
• Collaborate with teams and stakeholders; share knowledge.

Skills

Modern C++ mastery

Software architecture

Low-level programming

Algorithms & data structures

Debugging & profiling

CI/CD basics

Analytical/problem solving

Communication & collaboration

Autonomy & initiative

Detail-oriented

Influencing technical decisions

Tools

Snowdrop

Anvil

Unreal Engine

Unity

AWS

Azure

CI/CD tooling

Job description

Ubisoft is a global leader in gaming with teams across the world creating original and memorable gaming experiences, from Assassin’s Creed, Rainbow Six to Just Dance and more. We believe diverse perspectives help both players and teams thrive. If you’re passionate about innovation and pushing entertainment boundaries, join our journey and help create the unknown!

Job Description

As a Senior C++ Engine Programmer at Ubisoft Montréal, you’ll join the Core Services - Online Tech Foundations team. The team builds technology that supports online services across many Ubisoft productions. You’ll help design and evolve distributed systems and middleware used in games, including game engine, low-level, networking, and engine-integrated web components.

What you’ll do

• Develop and improve reliable, high-performing, maintainable C++ middleware.
• Contribute to technical direction and architecture choices.
• Improve code quality through good practices, code reviews, and continuous improvement.
• Solve complex technical problems and optimize performance.
• Reduce risks and technical debt to help keep solutions sustainable.
• Collaborate with teams and other stakeholders.
• Share knowledge and keep up with technical developments.

Qualifications

What you bring to the team

• Advanced proficiency in modern C++ (C++17/20/23 and beyond).
• Strong expertise in software architecture and complex systems.
• Deep low-level programming knowledge (memory management, multithreading, CPU optimization).
• Ability to design high-performance algorithms and optimized data structures.
• Excellent debugging and profiling skills.
• Proficiency with Continuous Integration and Continuous Deployment (CI/CD) practices and tools.
• Strong analytical and problem-solving abilities for complex challenges.
• Excellent communication and collaboration skills.
• Self-driven, proactive, and highly autonomous.
• Strong attention to detail and quality-oriented mindset.
• Ability to influence technical decisions and strategic directions.

Assets :

• Expertise in C#.
• Experience with one or more game engines (Snowdrop, Anvil, Unreal Engine, Unity).
• Knowledge of cloud infrastructure and services (AWS, Azure).
• Experience working on game productions with significant online/multiplayer components.
• Advanced technical expertise in areas such as online services and networking