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← Hudson River Trading

AI Researcher, LLMs

Hudson River Trading
Location
London, United Kingdom; New York, NY, United States
Posted
23 days ago
Department
Algo
What they actually want (must-haves)
  • Two or more years of hands-on experience training, post-training, or evaluating LLMs at scale
  • Direct experience with at least one of: large-scale pretraining, post-training (SFT, RL), LLM evaluation design and statistical analysis, or distributed training/inference systems
  • Research taste: ability to identify what's worth trying next, design ablations that change decisions, and update beliefs from evidence
  • Strong engineering skills valued: GPU kernel development, lower-level PyTorch internals, or published work on a frontier-style LLM result
What the job really is

As an LLM-focused AI Researcher at Hudson River Trading, you will be part of the HAIL team, responsible for developing and maintaining advanced AI models that support trading operations. Your daily tasks will involve working on the entire model development loop, including tokenizer training, dataset curation, pretraining, post-training, and evaluation design, all while collaborating with a small, independent team in a high-performance computing environment.

Benefits
  • Estimated base salary range of 200,000 to 300,000 USD per year (or local equivalent)
  • Discretionary performance-based bonuses
  • Competitive benefits package
Things to weigh
  • High expectations for driving frontier capability gains; not suitable for those who prefer adapting existing solutions
  • Use of AI tools during interviews or assessments is strictly prohibited, which may affect some candidates' preparation strategies
Job score3.2/5
Benefits2/5
Freshness4/5
Career value5/5
Role clarity5/5
Pay transparency0/5

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