FBS Application Developer III - Mainframe

The Application Developer (Mainframe & Distributed) is responsible for designing, developing, maintaining, and integrating critical business applications that span traditional z/OS environments and modern distributed architectures.

This role bridges legacy data processing with modern APIs, cloud services, and web front-ends, ensuring high availability, performance, and data integrity across the entire application stack.

Key responsibilities include:

• Designing, coding, testing, and debugging complex applications using both mainframe languages (COBOL, JCL, CICS, DB2) and distributed technologies (Java, .NET, APIs).
• Building and maintaining bridges between mainframe systems and distributed/cloud applications (e.g., AWS, Azure, RESTful APIs).
• Developing and monitoring mainframe batch processes JCL and CICS transaction programs.
• Creating and optimizing complex database queries and procedures in DB2 and IMS DB.
• Performing root cause analysis for production abends, diagnosing performance issues, and providing on-call support.
• Participating in Agile/Scrum methodologies, implementing Continuous Integration/Continuous Delivery (CI/CD GitLab) pipelines for both legacy and modern code.

The ideal candidate will have experience with IDz, zOS Connect API, MQ Series, Cobol, and CI/CD GitLab, as well as a strong understanding of legacy Cobol applications.