COBOL to Java, story by story. A real mainframe credit card application (COBOL, CICS, VSAM, JCL) ported to Spring Boot on Postgres by Krithi — PRD extracted from source, sprint planned, and delivered two stories at a time with human sign-off at every stage.
java postgres spring-boot migration cobol cics jcl mainframe ai-agents vsam agentic-ai mainframe-modernization legacy-modernization cardcore
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Updated
Sep 7, 2026 - COBOL