Job description
Mainframe Developer / Senior Developer
Job description
This is a developer / senior developer position for a skilled Mainframe Developer to design, develop, maintain, and optimize mainframe legacy Banking applications. The ideal candidate should have hands-on experience with COBOL, JCL, VSAM/DB2, and CICS, along with a deep understanding of batch and online processing. The role involves collaborating with cross-functional teams to ensure efficient, scalable, and secure mainframe systems that support critical business functions.
Key Responsibilities
• Design, develop, test, and maintain mainframe applications using COBOL, JCL, VSAM, DB2, and CICS with Mainframe tools and utilities.
• Analyze system requirements and create high-level and low-level technical documents.
• Optimize mainframe application performance and troubleshoot issues.
• Work with batch processing systems and scheduling tools like TWS/CA-7.
• Develop and maintain database objects VSAM/DB2.
• Collaborate with business analysts, system architects, and quality assurance teams.
Required Skillsets
Core Mainframe Technologies
• COBOL structured programming
• JCL (Job Control Language)
• CICS (Transaction management, BMS, pseudo-conversational programming)
• Very Good knowledge in CICSPlex development and configuration standards
• VSAM (KSDS, ESDS, RRDS datasets) or DB2 (SQL queries, performance tuning)
Development Tools & Utilities:
• TSO/ISPF (Time Sharing Option/Interactive System Productivity Facility)
• File-AID (Data analysis and manipulation)
• COBOL Debugging tool – i.e. IBM DEBUG
• Abend-AID (Dump analysis and debugging)
• IBM Mainframe utilities (IEBGENER, SORT, IDCAMS, etc.)
• Backup utilities (IBM-ADRDSSU/FAVER)
• File Transmission (Connect Direct – NDM/Network Data Mover)
• Batch Scheduling tools (TWS/CA-7)
Integration/Security
• FIS(Systematics) online framework (TBR/ICR/TCR)
• WebSphere MQ (Messaging and inter-system communication)
• CICS MRO (Multi-region operation – CICS to CICS communication)
• APIs (JSON/REST/SOAP integrations with mainframes via z/OS connect)
• RACF (Resource Access Control Facility)
Soft Skills & Other Considerations:
• Strong analytical and problem-solving skills both batch and online
• Strong skills to understand legacy application/architecture and identify impact of proposed changes
• Well versed in DevOps practices for mainframe CI/CD pipeline (Bitbucket/Git/Changeman)
• Experience / working knowledge of FIS-Systematics banking solution will have an advantage
• Domain knowledge of Banking and Financial services industry
• Effective communication and documentation abilities
• Experience in Agile or Waterfall methodologies
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