Senior Mainframe Developer – Debit Card Processing

Location: 100% Remote (Eastern Time Zone hours)

Duration: 24-months contract

We are seeking an experienced Mainframe Programmer with strong batch processing expertise to support our banking client’s multi year Debit Card Modernization program. The ideal consultant will bring deep hands on experience with debit card processing, Visa transaction flows, and complex mainframe batch systems.

• Develop, maintain, and optimize mainframe batch programs supporting the Debit Card Modernization initiative
• Work on Visa-related modules, leveraging domain expertise to accelerate delivery and reduce risk
• Stabilize and enhance batch workflows, particularly in areas where maturity is currently lacking
• Support and participate in testing, validation, and issue resolution
• Support areas where batch maturity is currently limited, helping stabilize and enhance batch workflows.
• Produce high quality documentation

• Strong mainframe programming background (COBOL, JCL, VSAM, utilities)
• Direct experience with:
  • Debit card processing systems
  • Visa processing ecosystem
• Deep batch processing experience
• Strong documentation discipline, comfortable working within testing and validation workflows

• Fiserv experience (ideally debit card processor)
• Experience with distributed systems/tools (Git Lab, Sonar, automated testing, Ansible, etc).

Heitmeyer Consulting is an equal opportunity employer, and we encourage all qualified candidates to apply. Qualified applicants will be considered without regard to minority status, gender, disability, veteran status, or any other characteristic protected by law