Principal Research Engineer, Epic Developer Assistant

Principal Research Engineer, Epic Developer AssistantAt the core of Epic's success are talented, passionate people. Epic prides itself on creating a collaborative, welcoming, and creative environment. Whether it's building award-winning games or crafting engine technology that enables others to make visually stunning interactive experiences, we're always innovating.

Being Epic means being a part of a team that continually strives to do right by our community and users. We're constantly innovating to raise the bar of engine and game development.Unreal-powered projects have been on the bleeding edge of real-time entertainment for over 20 years. Our team of programming experts are always innovating to improve the tools and technology that empower content developers worldwide.What You'll DoDesign and build LLM-driven agents and tools that operate directly inside Unreal Engine, including engine-side C++/Python tooling and editor scriptingDesign and extend the cloud-hosted agent harness, services, and database that mediate between LLMs and the engineWork across the full stack (engine tooling, cloud backend, and the web UI used to drive and monitor agents) to ship end-to-end featuresEvaluate and integrate emerging LLM capabilities (tool use, multi-agent orchestration, context management) into Epic's engine and pipeline toolingDefine technical direction for the reliability, safety, and evaluation of LLM-driven engine automationPartner closely with engine, tools, and backend programmers, and mentor others on both game engine internals and LLM system designWhat We're Looking ForStrong programming background with hands-on experience in a game engine (Unreal Engine strongly preferred), including engine architecture and tooling/editor scriptingPractical experience building or shipping products powered by LLMs (agents, tool-calling, RAG, prompt/context engineering), or a strong conceptual understanding of how LLMs workExperience with cloud-native services and infrastructure: web APIs, databases, and service architecture and deploymentExcellent programming skills across C++ (engine-side) and Python and/or a web backend languageExperience in the games industry or equivalent, developing interactive entertainment productsAbility to work full-stack and reason about tradeoffs across engine code, backend services, and a web front endExcellent written and verbal communication skills, with a BS/MS in Computer Science or a related fieldThis role is open to multiple locations in North America (including CA, NYC, & WA).Epic Games is a leading interactive entertainment company.

For over 30 years we've been making award-winning games and engine technology that empowers others to make visually stunning games and 3D content that bring environments to life like never before. Epic's award-winning Unreal Engine technology not only provides game developers the ability to build high-fidelity, interactive experiences for PC, console, mobile, and VR, it is also a tool being embraced by content creators across a variety of industries such as media and entertainment, automotive, and architectural design.Epic Games deeply values diverse teams and an inclusive work culture, and we are proud to be an Equal Opportunity employer.