Demo

Senior Software Engineer

Haystack
York, NY Full Time
POSTED ON 5/17/2026 CLOSED ON 5/18/2026

What are the responsibilities and job description for the Senior Software Engineer position at Haystack?

We're hiring on behalf of a Haystack partner!


The Role

• Partner with quantitative research and investment teams to design, build, and support a portfolio optimization and back-testing ecosystem.

• Collaborate with software engineers and quantitative developers on hands-on development.

• Develop and enhance scalable, low-latency financial systems.

• Work within a cloud environment, applying CI/CD and DevOps practices.

• Translate requirements into actionable development plans in partnership with stakeholders.

• Contribute to system architecture and design patterns for complex financial applications.


What You'll Need

• Minimum of 7 years of professional experience in financial services, preferably in asset management.

• Experience leveraging industry-scale optimization libraries (e.g., Gurobi, Cplex, SciPy).

• Proficiency in Python and experience with micro-services/RESTful APIs.

• Demonstrated ability to design highly scalable and low latency systems.

• Experience working in a cloud environment (AWS preferred) and knowledge of CI/CD & DevOps.

• Strong understanding of system architecture, design patterns, OOP, functional programming, and data modeling.

• Bachelor’s degree in a computational field (Master’s preferred).


What's On Offer

• Competitive annual salary ($107,000 - $216,000) plus potential for bonus compensation.

• Comprehensive benefits package including health care, retirement planning, generous paid time off, and educational assistance.

• Opportunity to work on critical systems within a leading financial services organization.

• Professional development and career growth resources.


Apply via Haystack today!

Salary : $107,000 - $216,000

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