Saga - Senior AI Agent Engineer

• 5+ years of backend or ML engineering experience, with hands-on work deploying AI/ML models to production • Experience with LLM fine-tuning, prompt engineering, and inference optimization • Strong proficiency in Python; experience with Golang is a plus • Experience building and operating API services and data pipelines at scale • Familiarity with reinforcement learning techniques (RLHF, reward modeling) or agent framework development • Understanding of multi-model architectures — orchestrating multiple models or agents to collaborate on tasks • Experience deploying applications that integrate with third-party platforms and APIs (social media, messaging, commerce) • Strong systems thinking — comfortable reasoning about distributed systems, scaling, and reliability • Exceptional problem-solving and communication skills • Experience with character AI, conversational AI, or NPC behavior systems • Background in gaming, entertainment, or media technology • Experience with multi-modal AI (voice, image, video generation or processing) • Familiarity with blockchain infrastructure, on-chain payments, or crypto-native commerce • Experience with MCP (Model Context Protocol) or agent-to-agent communication protocols • Understanding of content safety, trust & safety systems, or responsible AI practices • Contributions to open-source AI/ML projects