Senior Developer - Mainframe

Position Summary

We are seeking an experienced Mainframe Developer with 6 to 8 years of hands-on experience in designing, developing, enhancing, and supporting enterprise-scale mainframe applications. The ideal candidate should possess strong expertise in COBOL, JCL, CICS, DB2, and VSAM, with experience in application development, production support, and maintenance.

The candidate should be comfortable working in Agile environments, collaborating with cross-functional teams, participating in code reviews, and supporting critical production systems with high availability requirements.

Key Responsibilities

• Design, develop, test, and maintain Mainframe applications.
• Analyze business requirements and convert them into technical solutions.
• Develop new programs using COBOL, JCL, CICS, and DB2.
• Modify and enhance existing applications.
• Perform impact analysis for change requests.
• Develop batch and online transaction processing programs.
• Write efficient SQL queries and optimize DB2 database access.
• Create and maintain JCLs for batch processing.
• Perform unit testing and support system integration testing.
• Prepare technical design documents and program specifications.
• Investigate production issues and provide timely resolutions.
• Perform root cause analysis (RCA) for recurring incidents.
• Participate in code reviews and ensure coding standards are followed.
• Coordinate with business analysts, QA teams, infrastructure teams, and client stakeholders.
• Support production deployments and post-deployment verification.
• Participate in on-call production support and scheduled maintenance activities.
• Mentor junior developers whenever required.

Mandatory Technical Skills

• COBOL, Enterprise COBOL

• JCL

• Batch Scheduling

• CICS

• DB2

• VSAM

• IBM MQ / MQ Series

• File-AID

• Abend-AID

• Xpediter

• Endevor

• Changeman

• ISPW (Good to Have)

• IDCAMS

• SORT

• IEBGENER

• IEBCOPY

• DFSORT

• IBM z/OS

• TSO/ISPF

• SDSF

• SPUFI

Good-to-Have Skills

• IMS DB, DC
• REXX
• Easytrieve
• CA7
• Control-M
• OPC/TWS Scheduler
• Stored Procedures
• XML Processing
• Web Services Integration
• Mainframe Modernization
• API Integration with Distributed Systems
• Micro Focus Enterprise Server exposure
• DevOps concepts for Mainframe

Roles Responsibilities

New feature development, Code enhancements, Bug fixing, Performance improvements, Production support, Incident resolution, Problem management, Root cause analysis, DB2 query optimization, Stored procedure development, Performance tuning, Functional Specifications, Technical Design Documents, Unit Test Documents, Deployment Documents, Knowledge Transfer Documents

Required Experience

• Enterprise Mainframe Application Development
• End-to-End SDLC, Agile / Scrum Methodology
• Production Support
• Release Management
• Defect Management
• Performance Tuning
• Batch Processing
• Online Transaction Processing
• Code Migration and Data Migration

Soft Skills

• Excellent communication skills
• Strong analytical and problem-solving abilities
• Ability to work independently
• Team player with collaborative mindset
• Client-facing experience
• Strong ownership and accountability
• Time management and multitasking skills

Education

• Bachelors Degree in Computer Science, Information Technology, Engineering, or equivalent.

Preferred Certifications

• IBM Certified Application Developer
• IBM DB2 Certification
• IBM z/OS Certification
• Agile / Scrum Certification (Preferred)

Employment Type

Contract-to-Hire (C2H)

• Initial contract through staffing partner.
• Opportunity for conversion to permanent employment based on individual performance, project requirements, and business needs.

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