RL Infra Engineer (AI, GameDev)

TL;DR

RL Infra Engineer (AI, GameDev): Building and owning the infrastructure foundation for reinforcement learning frameworks, enabling scalable RL-driven gameplay systems for current and future UE5 projects. Focus on turning ML research ideas into robust, deployable, production-ready systems and optimizing infrastructure for runtime inference in real game environments.

Location: Hybrid role in Canada or United States

Salary: $200,000–$300,000 USD per year

Company

hirify.global is a product company committed to providing immersive virtual world experiences and popular games like Genshin Impact and Honkai: Star Rail to players worldwide.

What you will do

• Build and own the infrastructure foundation of the reinforcement learning framework.
• Enable RL-driven gameplay systems to scale across current and future UE5 projects.
• Collaborate with the gameplay team to deliver machine learning and AI solutions for Varsapura.
• Partner with gameplay engineers to prototype, optimize, and productionize reinforcement learning pipelines.
• Take ownership of the technical roadmap for RL infrastructure, identifying and driving improvements.
• Deploy and operate learning agents in live or simulated Unreal Engine-based environments, and optimize infrastructure for runtime inference.

Requirements

• 8+ years of professional experience in software engineering, machine learning, or related technical roles.
• Strong proficiency with Python and C++.
• Experience with game development workflows, including debugging, profiling, and version control.
• Solid understanding of deep neural network architectures and reinforcement learning concepts.
• Experience with deep-learning frameworks such as PyTorch or TensorFlow.
• Experience with distributed machine learning systems on cloud infrastructure and deploying ML applications in production environments.

Nice to have

• MS or PhD in Computer Science, Mathematics, or a related technical field.
• Experience with end-to-end RL workflows, from training to production deployment.
• Experience working with Unreal Engine.
• Experience with cross-functional collaboration in fast-moving engineering environments.

Culture & Benefits

• 100% employer-paid healthcare premiums for you and your dependents.
• Generous paid time off.
• 401K / RRSP plan.
• Employer-paid life and disability insurance.
• Team-building activities throughout the year.
• Flexible working hours.
• Equal opportunity employer valuing diverse backgrounds.