Jobs › Hudson River Trading

Fullstack Developer

Hudson River Trading · Chicago, IL · PostTrade

Posted Oct 1, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a project you owned from gathering requirements through ongoing support.

What they are checking: Whether they can own work end to end as the posting describes.

Tell me about a time users asked for changes after you shipped. How did you handle the iterations?

What they are checking: Whether they respond well to feedback and keep improving the tool.

What would you do

A trader uses your tool to execute manual trades. What safeguards would you build in?

What they are checking: Whether they think about confirmations, limits and audit trails when the UI can move money.

How would you gather requirements from a busy algo developer who is not sure what they want?

What they are checking: Whether they can draw out real needs through quick prototypes and good questions.

Two teams want conflicting features in the same platform tool. How do you decide?

What they are checking: Whether they can prioritize among internal customers and explain decisions clearly.

About the work

How would you design a web tool that lets traders see live positions and risk and take action quickly?

What they are checking: Whether they can design a real-time UI and backend that are fast, clear and safe to act on.

How would you stream real-time data to a React front end without slowing the browser down?

What they are checking: Whether they understand websockets, batching updates and efficient rendering.

Walk me through how you would build a backend process in Python that ingests and transforms a very large data set.

What they are checking: Whether they can design reliable data pipelines that handle volume and failure.

What would you consider when building features for a distributed compute framework used to train models?

What they are checking: Whether they understand scheduling, failure handling and visibility for large compute jobs.

A page in your tool is slow when loading a large table. How would you speed it up?

What they are checking: Whether they can find performance problems across the backend, network and front end.

Practice this interview out loud.

Offer builds a real interview for this exact role at Hudson River Trading from your resume and this job description, asks the questions one at a time, and tells you what landed. The first one is free.

Practice this out loud

The full job description

As published by Hudson River Trading.

Fullstack Developers at HRT work either on our platform team (i.e. you work on infrastructure & tooling that supports all of our research & trading capabilities) or our acceleration team (i.e. you are aligned with a specific algo research & trading team). All of our Fullstack Developers have internal customers and deeply understand end-user needs. They build backend processes to ingest and transform vast quantities of data, and UIs to visualize and action that data quickly.&nbsp; Responsibilities: &nbsp; • Work on our in-house distributed-compute framework designed for execution on a large scale within HRT’s compute cluster. This framework serves various teams, with our algo teams being the primary users, particularly for training complex models. • Work closely with our Algo Developers and traders, building backend processes and UIs for them to oversee trading processes, execute manual trades, assess risk, and research improvements to our strategies. • Work closely with a variety of senior technical and non-technical users and own projects end-to-end, from inception to gathering and refining requirements, forming and executing a structured plan, and managing ongoing support and iterations to the initial plan.&nbsp;&nbsp; • Architect web-based tooling to provide insights and enable real-time actions using financial data, operational data, trading activity, and more using React and Python. The interview process will evaluate your backend programming skills (primarily Python), and your experience working in JavaScript/TypeScript on a modern web framework (React skills are required!). It is important that you are excited about and comfortable with working on both sides of the stack. All fullstack candidates will go through the same assessment & two technical phone interviews. We will start team alignment discussions if (when!) you get to onsite. To learn more about interviewing for technical and engineering roles at HRT, see this blog !&nbsp; Profile • Bachelor’s degree in Computer Science, Engineering, or a related field • Experience working with Python and React • Experience working with JavaScript or TypeScript • Strong verbal and written communication skills • Excellent multitasking and time management skills • Ability to work independently and collaborate across teams • Ability to look at a technical system, understand how it works, and identify how to make it better • Ability to explain complicated topics to both technical and non-technical stakeholders • Driven by curiosity • Thrives within a team that consistently challenges you to improve the ecosystem around you The estimated base salary range for this position is 175,000 to 250,000 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 <span data-sheets-value="{"1":2,"2":"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. \n\nAt HRT we come from a variety of disciplines: 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. Our culture celebrates great ideas whether they come from HRT veterans or new hires. 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.\n\nFeel 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."}" data-sheets-userformat="{"2":13185,"3":{"1":0},"10":1,"11":4,"12":0,"15":"IBM Plex Sans","16":11}" data-sheets-textstyleruns="{"1":0}{"1":328,"2":{"2":{"1":2,"2":16711935}}}{"1":402}{"1":917,"2":{"2":{"1":2,"2":16711935}}}{"1":945}">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. Please be advised: Use of AI tools by an applicant during interviews or assessments is strictly prohibited, unless otherwise instructed or agreed upon. We employ various methods to evaluate the authenticity of candidate responses. If we determine that AI assistance was used by an applicant during an interview or an assessment, we reserve the right to immediately end the interview or assessment, disqualify the applicant’s candidacy and/or rescind any job offers extended. <span data-sheets-value="{"1":2,"2":"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. \n\nAt HRT we come from a variety of disciplines: 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. Our culture celebrates great ideas whether they come from HRT veterans or new hires. 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.\n\nFeel 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."}" data-sheets-userformat="{"2":13185,"3":{"1":0},"10":1,"11":4,"12":0,"15":"IBM Plex Sans","16":11}" data-sheets-textstyleruns="{"1":0}{"1":328,"2":{"2":{"1":2,"2":16711935}}}{"1":402}{"1":917,"2":{"2":{"1":2,"2":16711935}}}{"1":945}">You can review our Global Applicant Privacy Notice , which explains how we process applicant information. &nbsp;

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