Lead AI - LLM Systems Engineer job at Snail Games USA in Los Angeles, CA

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Egofold, an AI initiative within Snail Games USA, is seeking a senior AI engineer to lead development of a modular, trainable LLM-based 'brain' ecosystem for NPC intelligence, real-time perception, and simulation tooling across game projects. This hands-on role focuses on core system design, training workflows, evaluation, and integration into real-time interactive environments.

• Design and implement foundational AI systems using LLMs as a core reasoning component
• Architect simulation-based learning and training workflows including fine-tuning, reinforcement learning, evaluation, and feedback loops
• Build validation, safety, and constraint layers around generative outputs
• Define evaluation frameworks and benchmarking strategies for agent performance and stability
• Structure context, memory, and world state representation within the AI architecture
• Collaborate with engine engineers to integrate AI systems into real-time interactive environments
• Make system-level technical decisions prioritizing reuse, scalability, and adaptability

• Significant professional experience building AI or ML systems beyond simple model or API integration
• Demonstrated experience with large language models in production or applied research
• Hands-on experience with agent training methodologies including reinforcement learning or simulation-based learning
• Strong understanding of training workflows, evaluation strategies, and iterative improvement cycles
• Strong proficiency in Python and integrating AI systems into production environments
• Ability to reason about complex, stateful systems and learning behavior over time
• Comfort operating in early-stage, ambiguous environments with ownership of foundational systems

• Experience designing context-aware or agent-based AI systems
• Background in behavioral AI, simulation, or decision-making systems
• Familiarity with reinforcement learning, fine-tuning strategies, or hybrid AI architectures
• Experience integrating AI systems into real-time or interactive environments
• Familiarity with C++, C#, or Unreal Engine integration workflows