Mainframe Developer
JConnect Infotech
Mainframe Developer
Design, develop, enhance, and support mainframe applications, ensuring stability and performance of legacy systems that support critical business functions.
• Perform application enhancements, maintenance, and defect fixes across mainframe codebases.
• Develop, maintain, and support batch jobs and online programs, ensuring reliable execution and timely processing.
• Work hands on with core mainframe technologies such as COBOL, JCL, and mainframe utilities.
• Analyze existing programs and perform impact assessments for enhancements and fixes.
• Support batch scheduling, job execution, and restart/recovery scenarios.
• Participate in testing activities, including unit testing, system testing, and support for UAT.
• Debug and resolve production and non production issues related to batch and online processing.
• Ensure applications meet performance, reliability, and security standards expected in enterprise environments.
• Maintain and update technical documentation, including program logic, job flows, and system dependencies.
• Collaborate with business analysts and stakeholders to understand requirements and translate them into technical solutions.
• Support application modernization or migration initiatives when required.
• Follow established change management, release, and incident management processes.
• Work effectively in an Agile or hybrid Agile Waterfall delivery model, depending on program needs.
• Ensure high quality delivery with minimal disruption to business operations.
Responsibilities:
• Develop and enhance mainframe applications using COBOL and supporting technologies.
• Create, modify, and maintain JCL scripts for batch processing.
• Support online and batch job execution, monitoring, and troubleshooting.
• Perform defect analysis and fixes across development, test, and production environments.
• Participate in testing cycles, ensuring fixes and enhancements meet functional requirements.
• Maintain technical and operational documentation for programs and batch processes.
• Collaborate with cross functional teams including QA, business users, and operations.
• Support production releases and post deployment stabilization.
• Participate in code reviews and adhere to mainframe coding standards.
• Assist with audits, compliance activities, and documentation requests for regulated systems.
• Provide knowledge transfer and support for junior team members when required.
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