AI Research Engineer, Pre-Training

Wehrtyou Is this your company? Claim it · London · Full-time

Description

<p>Hudson River Trading (HRT) is seeking an AI Research Engineer (<strong>Pre-training</strong>) to join the HAIL team. HAIL (HRT AI Labs) is the team at HRT responsible for developing and maintaining our most powerful models, which are used by our trading teams to drive a significant fraction of our trading. We are building and deploying "foundation models for markets", that ingest and train on vast amounts of market and “alternative” data (such as language) to make predictions about future market state.</p> <p>As a <strong>pre-training</strong> research engineer on HAIL, you will have a general mandate to improve all aspects of large-scale model training, including but not limited to kernel development, training data loading, parallelism, networking, and fault-tolerance. You will work closely with our researchers to co-design and improve our models, and shape the research agenda.</p> <p>We have multiple large, modern, and rapidly growing GPU clusters, and we maintain a very high GPU-to-researcher ratio. We are simultaneously pursuing multiple strategies and developing many model types with different purposes, and we are strongly incentivized to squeeze as much as we can out of ou…

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The listing places this job in London.

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It was posted on 11 November 2026. Jobs that stay open too long are closed automatically, so apply soon if you are interested.

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