Back End Developer

Ironbelly is building something wild with GameFrame: an AI platform that enables users to build games in Unreal through natural language.

As a Backend AI Systems Engineer, you'll design and scale the intelligent backend that powers conversational game development. Your work will sit at the intersection of multi-agent orchestration, large-scale backend engineering, and Unreal Engine integration.

Be part of redefining how games are made.

Location: Montreal, Quebec (Hybrid)

Apply here: https://careers.ironbelly.com/jobs/6249524-eng-ai-backend-ai-systems-engineer-game-development

• Architect and implement multi-agent AI systems (LangGraph Swarms, custom ReAct agents, memory systems).
• Build real-time backend infrastructure that scales to hundreds of concurrent creators.
• Integrate AI orchestration with Unreal Engine gameplay frameworks (combat, progression, inventory, etc.).
• Develop resilient, low-latency systems using FastAPI, PostgreSQL, Redis, WebSockets, and Kubernetes.
• Push boundaries at the frontier of AI x Game Development.

• 5+ years backend engineering (Python, microservices, distributed systems).
• Proven experience with real-time systems, scaling, and fault tolerance.
• Hands-on Unreal Engine knowledge (Actors, Components, Blueprints, GAS).
• AI systems experience (LangChain/LangGraph, RAG, multi-agent orchestration).
• Bonus: frontend skills (React, TypeScript) or open-source AI contributions.

• Build tech that has never existed before: real-time AI orchestration for game development.
• Competitive salary + significant equity package.
• Health, dental, vision, flexible PTO.
• Hardware & research budget + support for conference speaking & open-source work.
• Hybrid in Montreal, Quebec.