Senior AI Engineer
$80,000–$120,000 year
Remote
Job Summary
As a Senior AI Engineer, you will build, train, and deploy character AI agents at scale, managing the full lifecycle from fine-tuning models to deploying agents across social media platforms. You will develop tools for customization, enhance feedback loops for continuous improvement, and architect the infrastructure necessary for multi-modal capabilities. Required skills include over 5 years of backend or ML engineering experience, expertise in LLM fine-tuning, strong Python coding ability, and proficiency in distributed systems. Familiarity with reinforcement learning and API service management are necessary.
Required Qualifications
- 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
Desired Qualifications
- 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
Apply with one swipe on Sorce. We auto-fill applications and apply on your behalf — no cover letters, no 40-minute forms.
Hiring someone like this?
Get your role in front of qualified candidates on Sorce.