Mainframe Developer - 26-00731


IT - NY - New York, NY
New York, New York
Locations: New York, Jersey City, Newark, Yonkers
Posted On: January 21, 2026
Last Day to Apply: February 04, 2026
Pay: From $70.00 per hour

Job Title: Mainframe Developer

Assignment Type

Contract

Duration

5 Months

Location

New York, NY


Position Overview

The Mainframe Developer will support enhancements and maintenance of enterprise mainframe applications, focusing on COBOL-based development, database expansion, and integration of newly mandated workflows. This role requires strong experience with ADABAS/Natural environments and complex batch and online processing.


Scope of Services / Responsibilities

  • Perform COBOL programming to support database field expansions

  • Develop and enhance programs for data entry and storage of newly mandated workflows

  • Implement programming solutions to import hearing calendars from external issuing agencies

  • Develop functionality for electronic cure entry workflows

  • Program enhancements for user data updates and maintenance

  • Support batch and online processing in a production mainframe environment

  • Ensure reliable data transfers between server-based systems and the mainframe

  • Maintain and enhance existing programs while ensuring performance, accuracy, and compliance


Mandatory Skills & Experience

Note: Candidates who do not meet the mandatory requirements will not be considered.

  • Minimum 4 years of professional mainframe development experience

  • Extensive experience with COBOL / COBOL II

  • Strong experience with Natural programming

  • Hands-on experience with ADABAS database systems

  • Proficiency with JCL, including complex PROCLIB jobs

  • Experience with Mainframe SORT utilities

  • Experience with FTP processes

  • Experience creating Online MFS screens

  • Experience coding under automated mainframe system frameworks

  • Experience with server-to-mainframe and mainframe-to-server integrations

  • Familiarity with WebMethods

  • Working knowledge of Microsoft 365


Desirable Skills & Qualifications

  • Excellent verbal and written communication skills

  • Ability to interact professionally with executives, managers, and technical subject matter experts

  • Strong collaboration and teamwork skills

  • Ability to work independently while managing multiple priorities

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