Develop and maintain systems using COBOL DB2, COBOL CICS, and COBOL Batch, ensuring high performance and process stability
Handle sequential files and VSAM, ensuring data integrity and efficient read/write operations
Prepare and execute JCL (Job Control Language) to manage jobs and processes in a mainframe environment
Use Roscoe for editing and manipulating code and data on the mainframe
Design and run test scenarios to validate code quality and ensure deliveries meet expectations
Implement code versioning practices using GIT
Develop COBOL programs without a user interface and integrate them with APIs via z/OS Connect
Collaborate on the use of containers for development and testing of COBOL programs in a DevOps environment
Maintain high standards of quality, documentation, and code clarity — cleanliness, non-redundancy, and standardization are non-negotiable

Strong experience with COBOL DB2, COBOL CICS, and COBOL Batch
Knowledge of handling sequential files and VSAM
Proficiency in JCL and use of Roscoe in a mainframe environment
Proven experience creating and executing test scenarios
Experience with GIT and good versioning practices
Familiarity with developing headless COBOL programs and integrating them with APIs via z/OS Connect
Knowledge of using containers for development and testing in COBOL environments
Previous experience in the banking sector
Experience with Azure DevOps
Knowledge of .NET — experience navigating z/OS, Console, and Web Services will be highly valued
Experience in DevOps and CI/CD environments

Senior Developer, COBOL, .NET

Key skills