Principal AI Programmer: LLM-Driven Unreal Engine

Epic Games; New York (NY); On-site; USD 246,000 - 361,000; Full time

Job summary

Epic Games is seeking a Principal AI Programmer to integrate LLMs into Unreal Engine, delivering end-to-end systems across engine, cloud, and web UI. You will design and ship tooling that enables LLM-driven agents inside the editor and runtime, while aligning with engine architecture.

The role requires deep C++/Python expertise, strong Unreal Engine experience, and a track record in cloud-native service development.

Qualifications

• Experience with Unreal Engine and editor scripting.
• Proven track record shipping products powered by LLMs or strong conceptual understanding.
• Experience with cloud-native services, web APIs, databases, and deployment.
• Strong programming skills in C++ and Python or web backend language.

Responsibilities

• Design and build LLM-driven agents and tools inside Unreal Engine, including engine-side C++/Python tooling and editor scripting.
• Extend the cloud-hosted agent harness, services, and database mediating between LLMs and the engine.
• Work across engine tooling, cloud backend, and web UI to ship end-to-end features.
• Evaluate and integrate emerging LLM capabilities into Epic's engine and tooling.
• Define technical direction for reliability, safety, and evaluation of LLM-driven automation.
• Mentor engine programmers and AI system designers.

Skills

Unreal Engine experience

LLM integration

Cloud-native services

C++

Python

Web backend development

Full-stack reasoning

Strong communication

Education

BS/MS in Computer Science or related field

Tools

Editor scripting

Job description

Epic Games is seeking a Principal AI Programmer to integrate LLMs into Unreal Engine, delivering end-to-end systems across engine, cloud, and web UI. You will design and ship tooling that enables LLM-driven agents inside the editor and runtime, while aligning with engine architecture.

The role requires deep C++/Python expertise, strong Unreal Engine experience, and a track record in cloud-native service development.