About this opportunity
Jobs in JS lists this Software Engineer - Applied AI opportunity in new york, New York. Review the employer’s description below for duties, qualifications and application requirements.
Job description
At Hudson River Trading (HRT) the Applied AI team's mission is to increase the speed and quality of work across the firm's most consequential workflows. We build AI systems that help researchers and developers iterate faster, automate increasingly complex work, and enable autonomous exploration at a scale that would not otherwise be possible.
We apply frontier models and agentic systems to how quantitative research, software development, and other critical work at HRT gets done. We combine cutting-edge commercial and open-source models and tools with infrastructure, research, and systems of our own.
Our work spans the full stack required to make this successful: AI infrastructure, research engineering, post-training and reinforcement learning, agent evaluation, security and alignment, and deployment into real workflows.
Responsibilities
Building scalable infrastructure for training, evaluating, and operating language models and AI agents
Developing research environments, evaluation systems, and experimentation platforms that allow us to measure and improve agent performance
Improving model and agent capabilities through post-training, reinforcement learning, prompting, tool design, and workflow optimization
Designing sandboxing, policy enforcement, monitoring, and other safeguards for increasingly capable autonomous systems
Partnering with teams across HRT to identify work AI can newly perform, develop effective solutions, and turn successful experiments into durable systems
Evaluating new models, techniques, and products, and making informed decisions about when to build, buy, or adapt them
Sharing technical knowledge and establishing effective practices for building and working with AI across HRT
Profile
You are an excellent engineer who can turn ambiguous problems into working systems
You learn unfamiliar technical and business domains quickly and enjoy moving between them
You care about advancing what AI systems can reliably accomplish
You use rigorous measurement and experiment design to guide decisions
You are comfortable operating across research and production engineering
You communicate clearly and collaborate well with people from different technical backgrounds
You are curious about the capabilities, limitations, and risks of increasingly autonomous systems
Qualifications
Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience required
Strong Python proficiency required
Excellent software design, debugging, and problem-solving skills required
Experience building and operating substantial software systems required
Demonstrated engagement with modern AI systems, tools, or research required
Machine learning research or engineering, including post-training, fine-tuning, reinforcement learning, or alignment
AI-agent architecture, evaluation, or tool-use environments
Distributed systems, model serving, orchestration, or high-throughput research infrastructure
Security sandboxing, policy enforcement, adversarial testing, or governance for AI systems
Forward-deployed engineering: working closely with users to discover, build, and operationalize new capabilities
Linux, systems performance, networking, C++, or TypeScript
The estimated base salary range for this position is 200,000 to 300,000 USD per year (or local equivalent). The base pay offered may vary depending on multiple individualized factors, including location, job-related knowledge, skills, and experience. This role will also be eligible for discretionary performance-based bonuses and a competitive benefits package.
Culture
Hudson River Trading (HRT) brings a scientific approach to trading financial products. We have built one of the world's most sophisticated computing environments for research and development. Our researchers are at the forefront of innovation in the world of algorithmic trading.
At HRT we welcome a variety of expertise: mathematics and computer science, physics and engineering, media and tech. We're a community of self-starters who are motivated by the excitement of being at the cutting edge of automation in every part of our organization- from trading, to business operations, to recruiting and beyond. We value openness and transparency, and celebrate great ideas from HRT veterans and new hires alike. At HRT we're friends and colleagues - whether we are sharing a meal, playing the latest board game, or writing elegant code. We embrace a culture of togetherness that extends far beyond the walls of our office.
Feel like you belong at HRT? Our goal is to find the best people and bring them together to do great work in a place where everyone is valued. HRT is proud of our diverse staff; we have offices all over the globe and benefit from our varied and unique perspectives. HRT is an equal opportunity employer; so whoever you are we'd love to get to know you.
We employ various methods to evaluate the authenticity of candidate responses. If we determine that AI assistance was used during any stage of the hiring process, we reserve the right to immediately disqualify your candidacy or rescind any job offers extended.
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Worksite address
new york, NY, 10261, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.