Cards Mainframe Developer

Cynet systems Inc; Toronto; On-site; CAD 80,000 - 100,000; Full time

Job summary

A technology service provider in Canada seeks a Cards Mainframe Developer to enhance and maintain mainframe applications critical to cards and payment systems. This role involves hands-on development using COBOL, JCL, VSAM, and DB2, optimizing batch jobs, troubleshooting issues, and collaborating with cross-functional teams. Candidates should have solid experience in mainframe environments and strong analytical skills. This position offers a dynamic work environment with opportunities for growth.

Qualifications

• Strong hands-on experience with COBOL, JCL, VSAM, and DB2.
• Good understanding of CICS or IMS transaction processing.
• Strong knowledge of mainframe batch processing lifecycles.

Responsibilities

• Develop, enhance, and maintain mainframe applications using COBOL, JCL, VSAM, and DB2.
• Optimize JCL and batch jobs to ensure reliable execution.
• Troubleshoot and resolve application issues across environments.

Skills

Cobol

JCL

VSAM

DB2

Debugging tools

Job description

Overview

• The Cards Mainframe Developer will be responsible for developing, enhancing, and maintaining mainframe applications supporting cards and payment systems.
• The role involves hands-on development using COBOL, JCL, VSAM, and DB2, supporting batch processing, resolving production issues, and collaborating with cross-functional teams to ensure stable and efficient mainframe operations.

Responsibilities

• Develop, enhance, and maintain mainframe applications using COBOL, JCL, VSAM, and DB2.
• Write efficient and scalable COBOL programs to support business processes.
• Optimize JCL and batch jobs to ensure reliable and timely execution.
• Develop and maintain DB2 queries, stored procedures, and program logic.
• Support and monitor daily batch streams and scheduled mainframe jobs.
• Analyze and resolve job abends to ensure batch cycle completion.
• Improve batch job performance and streamline processing workflows.
• Troubleshoot and resolve application issues across development, testing, and production environments.
• Perform root cause analysis and implement long-term fixes for recurring issues.
• Provide on-call or weekend support for critical batch processes when required.
• Work with CICS, IMS, and DB2 regions to ensure stable system integration.
• Maintain and enhance VSAM files, sequential datasets, and DB2 tables.
• Collaborate with cross-functional teams on system changes, migrations, and upgrades.
• Create and maintain technical documentation including program specifications and support guides.
• Participate in Agile ceremonies and follow coding standards and peer review practices.

Requirements

• Strong hands-on experience with COBOL, JCL, VSAM, and DB2.
• Good understanding of CICS or IMS transaction processing.
• Strong knowledge of mainframe batch processing lifecycles.
• Experience using debugging tools such as Fault Analyzer, Abend-AID, or similar.
• Strong analytical and problem-solving skills.
• Ability to work independently and as part of a team.

Should Have

• Experience in banking, cards, payments, or financial services.
• Knowledge of PL/I, Assembler, or C on the mainframe.
• Experience with CICS or IMS application programming.
• Exposure to REXX scripting for automation.
• Basic understanding of DB2, CICS, or IMS administration.
• Experience working in Agile environments.

Experience

• Proven experience in mainframe application development and production support roles.