• Design, develop, and maintain applications built on IBM Financial Transaction Manager (FTM) to support core payments processing. • Contribute to the development of payment flows supporting transaction processing. • Build and support integrations between FTM and upstream/downstream systems using enterprise integration patterns. • Participate in the design, development, testing, deployment, and production support. • Troubleshoot and resolve application and integration issues in a complex, regulated environment. • Collaborate with architecture, QA, and operations teams to ensure platform stability, scalability, and performance. • Support modernization initiatives and enhancements to existing payment hub capabilities. • Produce clear technical documentation and participate in code reviews and knowledge sharing.