Application Developer - Mainframe Systems

Need:

Application Developer - Mainframe Systems-

NYC

Start/End Dates: 7/23/2026 - 7/22/2027

Work Location: 2 Broadway ,NYC -
Job Title: Application Development - Programmer

Job Description: The Application Developer for Mainframe Systems is responsible for enhancing legacy applications through new feature development and ongoing maintenance. This role ensures stable daily operations, supports critical business processes, and maintains the reliability and performance of core mainframe environments.

In addition, the developer manages data integrations across upstream and downstream systems, oversees interface workflows, and extracts operational data to populate the enterprise data lake and support reporting needs. The role also includes troubleshooting production issues, performing routine maintenance, and ensuring seamless, accurate data flows throughout the ecosystem.