Mainframe Developer

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.