Senior Gameplay AI Programmer, Game Foundation

We're seeking an experienced Senior Gameplay AI Engineer with an interest in Machine Learning (ML) / Large Language Models (LLMs) to join the Fortnite Game Foundations team. Our group develops new technology for Unreal Engine 6, with a focus on adapting Fortnite's systems to it.

In this role, you will

Drive initiatives with minimal oversight to build strong, performant foundations that will last for years. Analyze current Fortnite LLM systems and develop a strategic plan to unify them into NPC systems. Improve current Reinforcement Learning strategies to target. Ensure high-quality user experiences across all supported platforms, with attention to usability for developers new to UEFN.

What we're looking for

Professional game development experience, including shipping AAA titles featuring gameplay AI. Excellent communication and interpersonal skills, self-motivated, and able to work independently. Strong understanding of gameplay AI systems such as Behaviour Trees, Finite State Machines, and Pathfinding. Strong C++ skills for building efficient gameplay AI systems and tools. Empathy for creators new to programming and game development, with a drive to make AI easy to use without losing flexibility or power. Experience with live service games and consoles is a plus. Experience in Machine Learning or LLM technologies; prior exposure through work, courses, or personal projects.

This role is open to multiple locations in North America (excluding CA, NY, & WA).

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