Mainframe Developer Finance

Phaxis LLC

Full-time business-and-financial-operations
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Location
New York County, New York, United States
Posted
May 16, 2026

Job Description

Pay rate is $65 to $75 per hour

We are seeking an experienced Mainframe Developer to support and enhance critical trading and financial systems within a financial services environment. This role will focus on the development, maintenance, and support of core mainframe applications related to trading operations, including margin processing, profit & loss calculations, and trade processing systems. The ideal candidate will have strong experience with legacy mainframe technologies while supporting high-volume financial transaction systems.



Key Responsibilities:





  • Design, develop, test, and maintain mainframe applications supporting financial trading platforms




  • Develop and support systems related to margin processing, profit & loss (P&L), and trade processing/order management




  • Work with technologies such as COBOL, J...