What are the responsibilities and job description for the Cards Mainframe Developer position at GAC Solutions Inc.?
Role Name: Mainframe Developer
Location: OHIO (or) Tennessee
Key Responsibilities:
- Own and support a core mainframe application (MACSS) across production, enhancements, and project initiatives
- Develop and maintain applications using COBOL, JCL, DB2, and CICS
- Troubleshoot and resolve production issues across batch and online systems
- Collaborate with API and platform teams to enable integration via z/OS Connect services
- Support data flows and service exposure to downstream platforms (APIM, Kafka, etc.)
- Participate in system design discussions to support modernization and integration efforts
- Ensure performance, reliability, and scalability of legacy systems