• Research, design, develop, and modify software systems including COBOL applications and batch jobs using JCL. • Present ideas for system enhancements and maintain knowledge of feature or technical changes within the application. • Transition workflows from legacy green-screens to modern tools such as Zowe and VS Code. • Conduct impact analysis for software changes and develop detailed technical designs and cost/task estimates. • Work closely with business analysts, designers, and subject matter experts to define requirements and technical solutions. • Produce detailed specifications, write software code, and develop interfaces or conversion routines leveraging APIs. • Conduct unit tests, document findings, and support formal testing. • Manage code migrations and adhere to program configuration change control standards and tools like Endevor CM and Gitlab. • Support the nightly batch cycles, participate in an on-call rotation, and provide daily system status updates.