Mainframe Developer

Urgent Contract Opportunity – Mainframe Developer Location: Montreal, Quebec – Hybrid We are seeking a highly skilled Mainframe Developer with strong hands-on experience in COBOL, JCL, DB2, and CICS. The ideal candidate will have a solid foundation in core mainframe technologies and a proven track record in application development, system enhancement, and production support within enterprise environments. Key Responsibilities: 1. Application Development & Maintenance - Design, develop, and enhance applications using COBOL, JCL, DB2, CICS, and VSAM - Optimize existing applications for performance, scalability, and reliability - Perform root cause analysis and resolve production issues within SLAs 2. Systems Analysis & Design - Analyze business requirements and convert them into technical specifications - Participate in system design, architecture discussions, and enhancements - Collaborate with cross-functional teams for seamless integration 3. Testing & Quality Assurance - Develop and execute unit, integration, and regression test cases - Support QA teams in defect tracking and resolution - Ensure adherence to coding standards and documentation 4. Production Support - Provide L2/L3 support for critical mainframe applications - Monitor batch jobs, troubleshoot failures, and resolve data issues - Participate in on-call support if required 5. Collaboration & Documentation - Work closely with developers, testers, and business stakeholders - Maintain technical documentation, including design and process flows - Participate in code reviews and knowledge-sharing sessions Required Skills: - 7+ years of experience in Mainframe Development - Strong hands-on experience with: - COBOL (COBOL/370, COBOL II) - JCL (Job Control Language) - DB2 / SQL (joins, subqueries, performance tuning) - CICS (pseudo-conversational programming, COMMAREA) - VSAM - Strong understanding of: - Batch