Principal Research Programmer, Unreal Assistant

Job summary

Design and deliver end-to-end systems that enable LLM-driven agents and tools to operate within Unreal Engine, spanning engine-side tooling, cloud services, databases, and web interfaces. Integrate emerging LLM capabilities, establish reliability and safety practices, and collaborate with and mentor engine, tools, and backend programmers.

Job details

WHAT MAKES US EPIC? At 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. PROGRAMMING - UNREAL ENGINE What We Do 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 Do We're looking for a Principal Al Programmer who builds products that integrate Al into Unreal Engine. You'll design and ship the full stack of systems that let LLMs act inside the engine (from end to end, not just a single layer), bringing depth in game engine architecture, cloud services, and how LLMs actually work. In this role, you will Design and build LLM-driven agents and tools that operate directly inside Unreal Engine, including engine-side C++/Python tooling and editor scripting Design and extend the cloud-hosted agent harness, services, and database that mediate between LLMs and the engine Work across the full stack (engine tooling, cloud backend, and the web UI used to drive and monitor agents) to ship end-to-end features Evaluate and integrate emerging LLM capabilities (tool use, multi-agent orchestration, context management) into Epic's engine and pipeline tooling Define technical direction for the reliability, safety, and evaluation of LLM-driven engine automation Partner closely with engine, tools, and backend programmers, and mentor others on both game engine internals and LLM system design What we're looking for Strong software programming background with hands-on experience in a game engine (Unreal Engine strongly preferred), including engine architecture and tooling/editor scripting Practical experience building or shipping products powered by LLMs (agents, tool-calling, RAG, prompt/context programming), or a strong conceptual understanding of how LLMs work Experience with cloud-native services and infrastructure: web APIs, databases, and service architecture and deployment Excellent programming skills across C++ (engine-side) and Python and/or a web backend language Ability to work full-stack and reason about tradeoffs across engine code, backend services, and a web front end Excellent written and verbal communication skills BS/MS in Computer Science or a related field EPIC JOB + EPIC BENEFITS = EPIC LIFE We pay 100% for benefits for both employees and dependents and offer coverage for supplemental medical, dental, vision, critical illness, telemedicine, Life and AD&D, long term disability insurance as well as weekly indemnity (short term disability) and a retirement savings plan with a competitive employer match. In addition to the EAP (employee assistance program), we also offer a robust mental well-being program through Modern Health, which provides free therapy and coaching for employees & dependents. ABOUT US 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. As we continue to build our Engine technology and develop remarkable games, we strive to build teams of world-class talent. Like what you hear? Come be a part of something Epic! Epic Games deeply values diverse teams and an inclusive work culture, and we are proud to be an Equal Opportunity employer. Learn more about our Equal Employment Opportunity (EEO) Policy here. Note to Recruitment Agencies: Epic does not accept any unsolicited resumes or approaches from any unauthorized third party (including recruitment or placement agencies) (i.e., a third party with whom we do not have a negotiated and validly executed agreement). We will not pay any fees to any unauthorized third party. Further details on these matters can be found here.

What you’ll do

Design and deliver end-to-end systems that enable LLM-driven agents and tools to operate within Unreal Engine, spanning engine-side tooling, cloud services, databases, and web interfaces. Integrate emerging LLM capabilities, establish reliability and safety practices, and collaborate with and mentor engine, tools, and backend programmers.

Requirements

Candidates should have strong software development experience with a game engine, preferably Unreal Engine, and practical LLM product experience or a strong understanding of how LLMs work. They should be proficient in C++ and Python and/or a web backend language, experienced with cloud services and full-stack development, and hold a bachelor's or master's degree in computer science or a related field.

Benefits

• Medical Insurance
• Dental Insurance
• Vision Insurance
• Critical Illness Insurance
• Telemedicine
• Life Insurance
• Accidental Death And Dismemberment Insurance
• Long-Term Disability Insurance
• Short-Term Disability Insurance
• Retirement Savings Plan With Employer Match
• Employee Assistance Program
• Mental Well-Being Program
• Therapy And Coaching

Listed skills

• C++ · Preferred
• Python · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Unreal Engine
• C++
• Python
• Game Engine Architecture
• Editor Scripting
• Large Language Models
• AI Agents
• Tool Calling
• Retrieval-Augmented Generation
• Prompt And Context Programming
• Cloud Services
• Web APIs
• Database Architecture
• Backend Development
• Web Front-End Development
• Multi-Agent Orchestration
• Full Stack Development
• Cloud-Native Computing
• Cloud Hosting
• Application Programming Interface (API)
• Multi-Agent Systems
• Architectural Design
• Automation
• Management
• C++ (Programming Language)
• Computer Science
• Employee Assistance Programs
• Video Game Development
• Game Engine
• Python (Programming Language)
• Web UI
• Coaching
• Systems Design
• Telehealth
• Tooling
• Verbal Communication Skills
• Front End (Software Engineering)
• Scripting

Job areas

• Software
• Technology
• Engineering
• Management & Leadership
• Artificial Intelligence Programmer
• Programmer / Analyst
• Software Developers
• Computer Programmers

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