Principal AI Engineer, Unreal Assistant
Epic Games4 days ago
Responsibilities
- Design and build LLM-driven agents and tools operating inside Unreal Engine using engine-side C++ and Python tooling and editor scripting.
- Architect and extend the cloud-hosted agent harness, services, and database connecting LLMs with the engine.
- Develop end-to-end features across engine tooling, cloud backend services, and web UI.
- Evaluate and integrate LLM capabilities including tool use, multi-agent orchestration, and context management.
- Define technical direction for reliability, safety, and evaluation of LLM-driven engine automation.
- Partner with engine, tools, and backend engineers and mentor others on game-engine internals and LLM system design.
Requirements
- Strong software engineering background with hands-on game-engine experience, preferably with Unreal Engine, including engine architecture and tooling or editor scripting.
- Experience building or shipping LLM-powered products such as agents, tool-calling, RAG, or prompt and context engineering, or a strong conceptual understanding of LLMs.
- Experience with cloud-native services and infrastructure, web APIs, databases, service architecture, and deployment.
- Excellent programming skills in C++ and Python and/or a web backend language.
- Ability to work across the full stack and evaluate tradeoffs among engine code, backend services, and web front ends.
- Excellent written and verbal communication skills.
- BS or MS in Computer Science or a related field.
Benefits
- The company pays 100% of medical, dental, vision HRA, long-term disability, and life insurance premiums for employees and dependents.
- Benefits include a 401k with competitive match, mental well-being support through Modern Health, unlimited PTO, and sick time.
- Employees receive company-wide paid breaks, employee events, and a paid sabbatical after seven years of employment.
Categories
About Epic Games
Epic Games builds Fortnite and operates the Epic Games Store, and develops Unreal Engine and Epic Online Services for game studios and creators. Its business model spans game sales and in-game purchases, Unreal Engine licensing and royalties, and revenue share from its storefront and services. Founded in 1991 and headquartered in Cary, North Carolina, this privately held company’s technology is also used in film/TV, architecture, automotive, and simulation.