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# Mainframe Senior Developer

- **Company:** Infosys Limited
- **Location:** UK
- **Experience:** Expert
- **Salary:** £57,766.0
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, COBOL (Programming Language), Custom Software, IBM DB2, Job Control Language (JCL), Mainframes, Systems Development Life Cycle
- **Published:** October 25, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5210482741

## About the Role

Primary skills:Mainframe Development,Mainframe testing->JCL,Mainframes,Mainframes->COBOL Support,Mainframes->DB2 Analyzing user requirements, envisioning system features and functionality. Design, build, and maintain efficient, reusable, and reliable mainframe codes by setting expectations and features priorities. Identify bottlenecks and bugs, and recommend system solutions by comparing advantages and disadvantages of custom development Contributing to team meetings, troubleshooting development and production problems across multiple environments and operating platforms Understand Architecture Requirements and ensure effective Design, Development, Validation and Support activities Knowledge of design principles and fundamentals of architecture Understanding of performance engineering Knowledge of quality processes and estimation techniques Basic understanding of project domain Ability to translate functional / nonfunctional requirements to systems requirements Ability to design and code
complex programs Ability to write test cases and scenarios based on the specifications Good understanding of SDLC and agile methodologies Awareness of latest technologies and trends Logical thinking and problem solving skills along with an ability to collaborate