Senior Software Engineer, Enterprise Systems - Own Production Apps (Hybrid NYC)

Harnham; New York (NY); Hybrid; USD 180,000 - 200,000; Full time

Job summary

Harnham in New York City is seeking a Software Engineer for the Enterprise Engineering team. This role offers ownership of production systems, interaction with stakeholders, and the chance to deliver scalable solutions across Treasury, Fund Accounting, and Compliance.

You will work on Python-based applications, alongside Java, C#, or C++ components, and contribute from design through deployment. Hybrid work in NYC with a competitive base salary and bonus aligns with a high-visibility,

Qualifications

• Senior-level software engineering experience.
• Strong production experience with Python.
• Experience with Java, C#, or C++.
• Buy-side experience required, preferably within a hedge fund environment.
• Experience supporting Treasury, Fund Accounting, Prime Brokerage, Financing, Stock Loan, or related business areas.
• Ability to work independently and take ownership of business-critical systems.
• Bachelor's degree in Computer Science or a related technical discipline.

Responsibilities

• Design, develop, and maintain production-grade software solutions supporting Treasury, Fund Accounting, Compliance, and Middle Office functions.
• Build and enhance Python-based applications used across critical business operations.
• Work across both modern and legacy technology stacks, including object-oriented languages such as Java, C#, or C++.
• Partner closely with business stakeholders to understand requirements and deliver scalable solutions.
• Own systems end-to-end, including architecture, development, deployment, and ongoing improvements.
• Troubleshoot and resolve business-critical production issues when escalation is required.
• Write and optimise SQL queries and database structures supporting enterprise applications.

Skills

Python

Java

C#

C++

Hedge fund experience

Treasury domain knowledge

End-to-end ownership

Education

Bachelor's degree in Computer Science or related technical discipline

Tools

SQL

Job description

Harnham in New York City is seeking a Software Engineer for the Enterprise Engineering team. This role offers ownership of production systems, interaction with stakeholders, and the chance to deliver scalable solutions across Treasury, Fund Accounting, and Compliance.

You will work on Python-based applications, alongside Java, C#, or C++ components, and contribute from design through deployment. Hybrid work in NYC with a competitive base salary and bonus aligns with a high-visibility,