Senior AI Engineer

🕒 March 24

🏄 California – Remote

🏄 California – Remote

⏰ Full Time

🟠 Senior

🤖 AI Engineer

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Saga.xyz

WebsiteLinkedInAll Job Openings

11 - 50 employees

🌐 Web 3

🎮 Gaming

₿ Crypto

💰 $6.5M Seed Round on 2022-05

Web 3 • Gaming • Crypto

Saga. xyz is a comprehensive Web3 platform designed for developers, offering an integrated stack of advanced tools and support to help them realize their Web3 ambitions. As a Layer-1 protocol, Saga. xyz enables developers to automatically create dedicated chains with infinite horizontal scalability, known as 'Chainlets,' which are parallelized, VM-agnostic, and interoperable. This setup addresses issues such as scarce blockspace, high gas fees, and congestion inherent in monolithic Layer-1 blockchains, by providing a more seamless and scalable infrastructure. Saga also features a unique 'Unblock' manifesto, highlighting its mission to overcome current blockspace limitations and drive decentralized growth. Furthermore, the platform supports developer engagement with resources like the Pegasus Mainnet, airdrops, and a roadmap for ongoing development and expansion. The company is involved in advancing Web3 game development and adoption through strategic partnerships and community interactions.

📋 Description

• Build and maintain the training and inference pipelines for character AI agents, including LLM/SLM orchestration and swarm-based architectures • Deploy and operate AI agents across social media platforms (Instagram, X, WhatsApp, TikTok) with consistent character behavior and personality coherence • Develop tooling for studios and creators to customize agent personality, lore, brand guidelines, and behavioral guardrails • Build and improve the feedback loops — fine-tuning, reward models, RLHF, and RLAIF — that keep agents improving over time • Architect and scale the infrastructure supporting agent deployments, including multi-modal capabilities (text, voice, video, livestreaming) • Contribute to the agentic commerce platform — enabling agents to drive transactions, recommend products, and interact with payment systems • Implement safety and content moderation systems to ensure agents behave appropriately across diverse user interactions • Collaborate with studio partners to translate creative direction into agent training parameters and behavioral specifications • Monitor agent performance, engagement metrics, and behavioral drift in production

🎯 Requirements

• 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. • Nice to Have • 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

🏖️ Benefits

• Work remotely from anywhere in the world • Work at the intersection of AI, entertainment, and crypto • Flexible working hours • Flexible vacation policy • Competitive salary • Stock options • Full benefits* • *Medical, Dental, Vision, and 401k retirement plans for US employees only.