Staff Core AI Engineer - LLM expert

Posted 3 months agoViewed
200000 - 240000 USD per year
United StatesFull-TimeAI, Finance
Company:Interface AI
Location:United States
Languages:English
Seniority level:Staff, 2+ years
Experience:2+ years
Skills:
LeadershipPythonSoftware DevelopmentArtificial IntelligenceMachine LearningPyTorch
Requirements:
2+ years of experience with transformer architectures and LLM fine-tuning (e.g., Llama, Mistral, GPT, Mixtral, Gemma, Falcon, Claude) Hands-on experience with RLHF/RLAIF, reward modeling, and multi-objective optimization for generative models Deep knowledge of auto-prompting, chain-of-thought evaluation, and self-improving agent loops Experience improving throughput, quantization, and token efficiency on GPUs or specialized inference hardware Knowledge of PII masking, data encryption, and secure model pipelines in production settings Experience with frameworks such as PyTorch, Transformers, Deep Speed, Hugging Face, LangChain, or vLLM
Responsibilities:
Build fine-tuning pipelines and benchmark models. Drive high-throughput, low-latency inference strategies. Design data-safe pipelines with encryption and PII masking. Apply Reinforcement Learning (RLHF/RLAIF) for model improvement. Explore speech model architectures and build adaptive pipelines. Rapidly prototype emerging models and optimization methods. Collaborate to evolve the AI orchestration layer.