Mainframe Developer

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