Mainframe Application Developer – Banking & Payments (COBOL/zOS)

Computer Task Group, Inc • Charlotte, NC

4h • Onsite

About The Position

CTG is seeking an experienced Mainframe Application Developer with strong Banking & Payments expertise to support enterprise payment processing applications in an IBM zOS environment. This role requires deep experience with COBOL, UNIX/AIX, scripting, and mission-critical banking transaction systems.

Requirements

• Strong COBOL development experience in IBM Mainframe zOS environments.
• Experience with UNIX/AIX and scripting technologies.
• Knowledge of VSAM, JCL, REXX, TSO/ISPF, DB2, IMS-DB, CICS, and IMS-DC.
• Hands-on experience with banking and payment processing systems.
• Familiarity with ISO 20022, SWIFT MT/MX messaging, RTP, FedNow, and Fedwire.
• Strong troubleshooting and production support skills.

Nice To Haves

• 5+ years of mainframe application development experience in banking or financial services.
• Experience supporting high-volume, mission-critical payment systems.
• Knowledge of financial messaging standards and wire transfer operations.

Responsibilities

• Develop, maintain, and support mainframe applications in IBM zOS environments.
• Support banking and payment platforms including FedNow, Fedwire, RTP, SWIFT MT/MX, ISO 20022, and wire transfer systems.
• Work with ACI MTS, ACI UPF, Fiserv EPP, and Swift Alliance Access (SAA).
• Perform coding, testing, debugging, production support, and system enhancements.
• Develop and maintain JCL, VSAM, REXX, and UNIX shell scripts.
• Collaborate with technical and business teams to deliver payment system solutions.
• Participate in SWIFT yearly standards upgrades and payment modernization initiatives.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Associate degree