Game Security Programmer

Ubisoft; Montreal (administrative region); Hybrid; CAD 70,000 - 90,000; Full time

Job summary

A leading game development studio in Montreal is looking for a Game Security Programmer to design and integrate advanced security features. You will collaborate with production teams to enhance client-server security and combat cheating. Candidates should have strong C/C++ skills, experience in anti-cheat technologies, and a passion for fair gameplay. The position is full-time and embraces a hybrid work model, supporting work-life balance in a diverse and inclusive environment.

Qualifications

• Expert in multi-threading and low-level optimization.
• Familiar with Windows internals, with Android/iOS as a plus.
• Experience in integrity verification and code hardening.

Responsibilities

• Develop security and anti-cheat systems for game engine.
• Secure game-client communications with online services.
• Collaborate on shaping the security roadmap.

Skills

Advanced C/C++ programming

Security and platform knowledge

Anti-cheat protection experience

Problem-solving abilities

Collaborative development

Strong communication skills

Tools

Perforce

Git

LLVM code base

Job description

As a Game Security Programmer, you will work embedded within production teams to design, develop, and integrate advanced security features into our games. You'll play a key role in ensuring that our game clients and their interactions with servers remain secure, resilient, and fair.

Collaborating closely with gameplay, engine, and online teams, you will implement client hardening, detection mechanisms, and security protocols that protect the game experience from cheats, exploits, and tampering.

Your mission : to make cheating harder, prevent abuse before it happens, and help deliver a trusted and fair experience for every player.

Key Responsibilities :

• Develop, integrate, and maintain security and anti-cheat systems within the game engine and production pipeline.
• Secure game-client communications and interactions with online services.
• Collaborate with the Game Security Tech Lead and core teams (Engine, Online, Gameplay) to shape and refine the security roadmap for the title.
• Implement integrity verification, anti-tamper, and runtime protection features at the code and data level.
• Work closely with Game Security Researchers teams to translate research findings into robust in-game mitigations.
• Conduct code reviews and performance analyses to ensure new security measures are stable, efficient, and transparent to players.
• Assist gameplay and engine programmers in adopting secure development practices throughout the project lifecycle.
• Contribute to post-launch support by investigating new exploits and deploying security updates or countermeasures.
• Stay informed of the latest vulnerabilities, cheat techniques, and platform security evolutions to proactively reinforce protections.

Qualifications :

• Advanced C / C++ programming skills with expertise in multi-threading, low-level optimization, and experience working on game engines or gameplay systems in large-scale productions.
• Security and platform knowledge including familiarity with Windows internals (Android / iOS is a plus), exploit techniques, and network security principles in client / server models.
• Anti-cheat and protection experience covering technologies like integrity verification, code hardening, and frameworks such as EAC, BattlEye, VMProtect, etc.
• Strong problem-solving abilities with excellent analytical and debugging skills to resolve complex runtime issues.
• Collaborative development experience including version control tools (Perforce, Git) and comfort working in large multi-disciplinary codebases and teams.
• Personal qualities and interests such as autonomy, curiosity, strong communication skills, a passion for fair play in games, and familiarity with the LLVM code base as a plus.

Additional Information :

We embrace a hybrid work model helping you stay connected with your team and aligned with business priorities while giving you the opportunity to maintain your work-life balance. Note that some roles are fully office-based and are not eligible for hybrid work.

Just a heads up : If you require a work permit, your eligibility may depend on your education and years of relevant work experience as required by the government.

Skills and competencies show up in different forms and can be based on different experiences; that is why we strongly encourage you to apply even though you may not have all the requirements listed above.

At Ubisoft, we embrace diversity in all its forms. We’re committed to fostering an inclusive and respectful work environment for all. We know the importance of providing a pleasant interview experience; therefore, if you need any accommodation, please let us know if there is anything we can do to facilitate the interview process.

Remote Work : No

Employment Type : Full-time

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