Senior AI Research Engineer
Cantor Fitzgerald · New York
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- Company
- Cantor Fitzgerald
- Location
- New York
- Posted
- July 8, 2026
About this job
This is a model-aware AI research engineering role. FMX is looking for a senior engineer who can build production systems and also understand LLMs below the application layer - transformers, training and fine-tuning methods including those with open weights, inference behavior, evaluation, and failure modes. The role is not aimed at candidates whose AI experience is limited to API wrappers or traditional ML without substantial LLM and agentic AI depth.
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