Head of AI - Principal Applied AI Engineer (LLM Systems)
【About us】
Raccoon AI is an emerging generative AI company. Our core product automates customer service messaging for e-commerce and online platforms, resolving 50 to 80% of conversations instantly.
The standard this role is accountable for is an autonomous agent that resolves real customer conversations end to end, at production quality and production volume, across languages.
【About the Role】
This is a senior individual contributor role for an engineer who arrived at production work through research.
The foundation is a first-principles understanding of how these models actually work. When behavior breaks, that understanding is what turns guesswork into an explainable engineering decision, reasoning through tokenization, attention, sampling, context window, and training distribution. It is also what model strategy rests on: whether to stay on hosted models or invest in fine-tuning and self-training, a decision this role owns and defends with data, cost, and technical trade-offs.
What this role is hired for is that depth pointed at a product. Model selection and prompt tuning are the starting point, not the substance. The substance is the design of AI behavior for specific business conte
