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. 

Responsibilities: 

• 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.  
• 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! 

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 which includes medical, dental, vision, basic life insurance, and enrollment in our company’s retirement savings plans. Employees will receive sick and parental leave, as well as other paid time off (including 20 vacation days and 10 paid holidays in the US). Please note that benefits and time off policies will vary across non-US locations.

Working as a coder at Hudson River Trading (HRT) means working on a small, highly productive, and efficient team. You may see "trading" in our name and assume you'll be relegated to some dark corner to code for the "business," but that could not be further from the truth! 

At HRT, an automated trading firm based in NYC, the code you write *is* our business, so it is everyone's job to make sure our developers have everything they need to do their jobs well.

As a member of the AI Tools team, you will be responsible for increasing productivity across the company by integrating the newest AI tools into our users’ workflows. Whether it’s for a Python developer writing a web app, a C++ developer speeding up order execution, a researcher investigating trade signals, or even Business Development meeting with vendors - we are focused on deploying what works.

This is an exciting opportunity to help build and define the AI tooling ecosystem at HRT. You will have to navigate the rapidly evolving options in this space, and adapt them to our own internal systems. You might be fixing auth one day, comparing vendors the next, and coding a new MCP the third. 

Responsibilities

• Help us develop software that improves productivity for every office and department at HRT while using the latest technologies and techniques in software engineering and the broader AI tooling ecosystem.
• HRT has many high-impact areas where we are integrating AI tools; here’s what you could work on:
• Writing a custom MCP wrapper around internal resources.
• Fine-tuning a new code completion model.
• Deploying a new coding assistant across all developer and researcher environments.
• Developing evaluations and iterating on an autonomous coding agent.
• Collaborating with security to improve AI sandboxing.
• Presenting and educating users on best practices.

Profile

• You’re one of the top devs in your current organization, as measured by productivity, technical capability, and helpfulness to other devs.
• Experience deploying and maintaining applications. You’ve managed an application from the design phase through the production phase.
• You’re comfortable with defining direction in an environment of ambiguity and uncertainty. The AI tooling space changes rapidly.
• You really like to work with people who challenge you and make you better at what you do.
• In your spare time you code, tinker, read, explore, break things, and have an insatiable curiosity for all things AI and computer-related.

Qualifications

• Completed a Bachelor's or Master's degree in Computer Science, Engineering, or a related technical field. If you are currently pursuing your Bachelor's degree, please apply to our Campus/New Grad opportunities.
• Python experience is required, daily use of most recent standards preferred.
• C++ and JavaScript (TypeScript, React) experience a plus.
• Experience with the AI tooling ecosystem (use coding assistants/agentic workflows, ideally have built your own customizations).
• Superior design, debugging, and problem solving skills.
• Knowledge of UNIX operating systems (we use Linux), system/processor performance, and network communication.

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.

Hudson River Trading (HRT) is a quantitative trading firm at the forefront of technological innovation. We build and deploy cutting-edge systems within one of the world’s most advanced computing environments to power our global trading operations. Our bottom-up approach to projects and collaborative coding environment empower talented engineers to make significant contributions and see their impact daily. At HRT, you'll be challenged to solve the most complex problems in trading alongside many of the brightest minds in the field.

We are always seeking highly motivated and skilled Software Engineers across many different teams at HRT. These roles demand exceptional programming fundamentals, sharp debugging abilities, and strong critical thinking and communication skills. Engineers at HRT work on a wide variety of platform and trading-adjacent projects. Examples include:

• Improving scheduling efficiency of distributed computations, speeding up research iteration.
• Enhancing developer experience through language tooling, jupyter extensions, and AI tools.
• Leveraging LLMs to make operational support tasks faster and more efficient.
• Profiling computer usage at all levels, from system calls to large scale distributed computations.
• Building systems to interact with trading venues and monitor risk.

Responsibilities

• Design, develop, and maintain robust, efficient, and scalable software systems.
• Debug complex issues across distributed systems in a time-sensitive environment.
• Contribute to all phases of the software development lifecycle, from ideation to deployment and support.
• Deliver exceptional experiences for internal users; your success will be directly tied to your ability to understand the needs of the people around you and apply your technical skills to efficiently meet them.

Qualifications

• Completed a Bachelor's or Master's degree in Computer Science, Engineering, or a related technical field. If you are currently pursuing your Bachelor's degree, please apply to our Campus/New Grad opportunities.
• Previous experience at a top-tier finance or technology company with an excellent track record of rapid advancement and superlative reviews.
• Experience with applications of cutting-edge technology is preferred; being a core contributor to said technology is even better.
• Candidates should be prepared for technical interviews in Python. While there is no hard language requirement for these roles, proficiency in one this language will be assessed during the interview process.
• Kindness and empathy is a real requirement. No “smart jerks” at HRT. 
• Strong understanding of data structures, algorithms, and design principles.
• Excellent communication skills, both written and verbal.
• HRT ships every day. The ability to thoughtfully, methodically, and reliably deploy new software and features is a critical skill. 
• If you have management experience, that’s always a bonus – but even so, expect to code!

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.

For more info about interviewing at HRT, see this blog!

The opportunity
Unity is seeking a skilled and experienced Workday Integrations Developer to join our Enterprise Applications team. In this role, you will be responsible for designing, building, and maintaining enterprise-scale integrations within the Workday ecosystem, with a particular focus on migrating existing integrations from legacy platforms and third-party tools into Workday-native solutions. You will serve as a subject matter expert on integration architecture, collaborating closely with Finance, HR, IT, and business stakeholders to ensure seamless data flow across Unity's enterprise applications.

This is a high-impact, hands-on role for a builder who thrives in complexity, can navigate a large and evolving integration landscape, and is passionate about delivering scalable, reliable, and well-documented solutions.

What you'll be doing

• Design, develop, test, and deploy enterprise integrations using Workday tools, including Workday Studio, Orchestrate, EIB, Core Connectors, and RaaS/BIRT reports
• Lead and execute the migration of existing integrations from iPaas-based middleware to Workday-native integration frameworks
• Assess, document, and rationalize Unity's existing integration landscape to identify consolidation and optimization opportunities
• Collaborate with cross-functional stakeholders to gather and translate complex business requirements into robust integration design specifications
• Build and maintain integrations supporting Payroll, Finance, and third-party vendor systems (e.g., CloudPay, Workiva, Okta, Salesforce)
• Troubleshoot, debug, and resolve integration failures in production environments with minimal disruption to business operations
• Define and enforce integration development standards, naming conventions, and best practices across the team
• Partner with Security and Compliance teams to ensure integrations adhere to data governance, privacy, and access control requirements
• Participate in Workday release cycles, assessing impact on existing integrations and coordinating regression testing and remediation
• Contribute to project planning, estimation, and sprint execution in an Agile delivery model

What we're looking for

• 8 to 10+ years of hands-on experience developing and maintaining Workday integrations in a large enterprise environment
• Demonstrated experience leading or contributing to integration migration initiatives — moving integrations from tools such as MuleSoft, Workato, TIBCO, Dell Boomi, or similar into Workday
• Strong proficiency with Workday integration tools, including Workday Studio, EIB (Enterprise Interface Builder), Core Connectors, PICOF/PECI, RaaS, and Web Services (SOAP/REST)
• Solid understanding of Workday data model and object structure across Financials, and/or Payroll modules
• Experience with XML, XSLT, and JSON for data transformation and mapping
• Ability to work independently on complex, ambiguous integration challenges while communicating progress and blockers clearly to stakeholders
• Strong analytical and problem-solving skills with a systematic approach to debugging and root cause analysis
• Excellent documentation habits — you write integration specs, runbooks, and postmortems that others can actually use

You might also have

• Workday Pro certification in Integrations
• Experience integrating Workday with platforms such as Salesforce, Coupa, Workiva, CloudPay, and Okta.
• Familiarity with iPaaS platforms (e.g., MuleSoft, Workato), which may be part of Unity's broader integration ecosystem
• Experience working in a publicly traded company with SOX compliance requirements
• Exposure to Workday Extend or Prism Analytics
• Background in Finance systems administration, in addition to integration development

Additional information

• Relocation support is not available for this position
• Work visa/immigration sponsorship is not available for this position

Benefits
At Unity, we want our team members to thrive. We offer a wide range of benefits designed to support well-being and work-life balance.

Please note: Benefits eligibility, specific offerings, and coverage vary based on the country and employment status.

While specific benefits vary, here are some of the ways we strive to take care of our eligible team members globally: Comprehensive health, life, and disability insurance | Commute subsidy | Employee stock ownership | Competitive retirement/pension plans | Generous vacation and personal days | Support for new parents through leave and family-care programs | Office food snacks | Mental Health and Wellbeing programs and support | Employee Resource Groups | Global Employee Assistance Program | Training and development programs | Volunteering and donation matching program

Life at Unity
Unity [NYSE: U] is the world’s leading game engine, powering play for more than 3 billion consumers each month. The top mobile games in the world, the most played PC indie titles, the most innovative console games, and virtually all of the top XR and Web Games are developed, deployed, and grown in Unity. Unity also enables teams across industries like automotive, manufacturing, and healthcare to design, simulate, and collaborate in 3D — closing the gap between ideas and reality. For more information, please visit www.unity.com.

Unity is a proud equal opportunity employer. We are committed to fostering an inclusive, innovative environment and celebrate our employees across age, race, color, ancestry, national origin, religion, disability, sex, gender identity or expression, sexual orientation, or any other protected status in accordance with applicable law. Our differences are strengths that enable us to support the growing and evolving needs of our customers, partners, and collaborators. If you have a disability that means there are preparations or accommodations we can make to help ensure you have a comfortable and positive interview experience, please fill out this form to let us know.

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

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