
Principal AI Engineer
Responsible for end-to-end model training strategy and data management for Commercial AI products (LLMs and traditional ML). Tasks include fine-tuning LLMs (QLoRA/LoRA/PEFT), building reproducible training pipelines, data governance/versioning, experiment tracking, distributed training and GPU optimization. Requires 12+ years of relevant AI/ML engineering or data engineering experience. US remote role; US base salary range $159,600–$207,500/year.










