Senior Application Developer - Mainframe

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Job Description

Job Summary:

We are seeking a seasoned Senior Application Developer with 8+ years of hands-on experience in mainframe technologies. The ideal candidate will have deep expertise in COBOL, DB2, JCL, Stored Procedures, and JSON conversion to flat files, with strong proficiency in Enterprise Scheduling using ESP. This role demands a detail-oriented developer who can lead complex application development and modernization projects in a high-performance environment.

Key Responsibilities

• Design, develop, and maintain mainframe applications using COBOL, DB2, and JCL.
• Develop and optimize DB2 stored procedures to support high-throughput applications.
• Create and maintain batch jobs and schedules using ESP Workload Automation.
• Convert JSON data formats to flat files as part of integration and data processing pipelines.
• Collaborate with cross-functional teams to understand requirements and deliver scalable solutions.
• Perform impact analysis, code reviews, and ensure adherence to coding standards.
• Troubleshoot and resolve complex application and system issues in a timely manner.
• Document processes, technical specifications, and provide knowledge transfer to peers.
• Support application deployment and post-deployment validation in production environments.
  
  

• 8+ years of experience in mainframe application development.
• Strong command of COBOL, JCL, and DB2.
• Experience with writing and optimizing stored procedures in DB2.
• Proficient in converting JSON data structures into flat file formats for mainframe systems.
• Hands-on experience with ESP (Enterprise Scheduler Product) or similar scheduling tools.
• Solid understanding of batch processing and performance optimization in mainframe systems.
• Excellent problem-solving and analytical skills.
• Strong communication and documentation abilities.
  
  

• Experience working in Agile/SAFe environments.
• Exposure to mainframe modernization or integration with distributed systems.
• Familiarity with DevOps or automation tools related to mainframe CI/CD.