📍
London, UK

AI Researcher

2 years experience
Finance
Finance
Posted:
December 28, 2025

Hudson River Trading

Quantitative algorithmic trading firm
75
Palpable Score
Apply >view company >

Hudson River Trading (HRT) is hiring an AI Researcher 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 data, to make predictions about future market state. We are seeking experienced AI researchers to join our team to accelerate our efforts.

Researchers have great independence to pursue the research directions they think would be most impactful as part of a small focused team with minimal bureaucracy. They are enabled by state-of-the-art research clusters with very high GPU-to-researcher ratios, and supported by excellent engineering, hardware, and systems teams to realize their vision. Your work will be directly, clearly, highly impactful on the business, and it will be challenging: this is a field with no easy or obvious solutions. You'll be responsible for improving every part of our models: from featurization of data, to architecture design, to training dynamics, to how trading decisions are made.

Qualifications

About the company

Hudson River Trading

Company overview
Hudson River Trading is a quantitative trading firm that builds automated trading systems and provides liquidity across global markets. Hudson River Trading’s work combines software engineering, quantitative research, and trading operations to run high-performance systems in real time. Hudson River Trading hires across technical and business roles, but the most visible early-career routes sit in engineering and quantitative research. Hudson River Trading is private and competes for talent with other top-tier electronic trading firms.

Locations and presence

Hudson River Trading lists major offices including New York City, Chicago, Austin, Boulder, and Cambridge in the U.S., plus international hubs such as London and Singapore, with additional offices referenced publicly (including Dublin and Mumbai). Hudson River Trading roles are typically office-based because teams build and operate time-sensitive trading systems, with some flexibility varying by role and location.

Palpable Score

75
/ 100
Hudson River Trading offers strong early-career access for a selective trading firm, with clear student pathways and internships that map to real technical work. Hudson River Trading is unusually transparent about the software engineering interview format, but the broader candidate experience still looks demanding and feedback and timing expectations are not publicly guaranteed. Learning signals are strong, while pay transparency and published early-career outcomes are limited.
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