All jobs
Infosys logo

Mainframe Senior Developer

Infosys · Posted today

  • Bengaluru East, Karnataka, India (On-site)
  • Full-time
  • 3-5 yrs

About the role

Technology->Mainframe Technologies->Mainframe Technologies- ALL

Key Responsibilities: Application Development & Enhancements - Design, develop, and enhance Mainframe applications using COBOL aligned to functional and technical requirements. - Create and maintain JCL for batch processing, scheduling readiness, and reliable job execution. - Develop, modify, and support online components using CICS as required by application flows. - Perform unit testing, debug defects, and ensure code quality through structured reviews and standards compliance. Production Support & Stability - Analyze and resolve incidents, batch failures, and abends; perform root-cause analysis and implement preventive fixes. - Monitor and tune batch performance, improving efficiency and reliability of critical processing cycles. - Collaborate with QA and release teams to support deployments, validations, and post-release verification. Documentation & Collaboration - Maintain clear technical documentation for programs, job streams, and operational procedures. - Work closely with cross-functional stakeholders to clarify requirements, estimate effort, and deliver on timelines. Minimum Qualifications: - Bachelor’s or Master’s degree in BTECH, BCA, MCA, or MTECH (or equivalent). - 3–5 years of hands-on experience as a Mainframe developer. - Strong development experience with Mainframe technologies including COBOL and JCL. - Working knowledge of CICS for online transaction processing and support. - Ability to troubleshoot issues, interpret logs/outputs, and deliver stable fixes with attention to detail.

Preferred Qualifications: - Experience handling end-to-end delivery: requirement understanding, development, unit testing, and release support. - Strong debugging skills for batch and online flows, including abend analysis and performance improvements. - Exposure to structured development practices such as code reviews, documentation standards, and change management. - Ability to collaborate effectively with QA, operations, and business teams to ensure smooth delivery and production stability. - Proven track record of improving reliability or efficiency of batch cycles and CICS transactions in production environments.

Skills

COBOLJCLCICSBatch processingDebuggingUnit testingCode reviewsDocumentationAbend analysis
Mainframe Senior Developer at Infosys, Bengaluru East, Karnataka, India (On-site) | Quark9