AI LLM Tech Lead
Core
Leading the core model behavior and system design for a global conversational AI platform serving 50M+ users.
Role type
Senior IC LLM Tech Lead (hands-on)
Builds
Production conversational AI systems and model behaviors
Domain
Generative AI / Large Language Models / Conversational Systems
Deliverable
production ML models
Required skills
LLM fine-tuning, post-training methods (LoRA, QLoRA, SFT, RLHF, DPO), RAG architecture, inference optimization, evaluation pipeline design, model selection, scaling strategies
Preferred skills
Experience with open-source models (Llama, Mistral, Qwen), PyTorch, Hugging Face, agent-based systems
Technologies
PyTorch, Hugging Face, Llama, Mistral, Qwen
Responsibilities
Own LLM behavior across high-scale conversational systems, design evaluation pipelines reflecting real user interactions, optimize inference for latency and cost, lead a small team while staying hands-on, define trade-offs between RAG and fine-tuning approaches
Seniority
Senior, hands-on IC
