Provide deep functional and technical expertise on FIS payment processing, authorization, settlement, and reconciliation flows to support safe transition.
Analyze and document current FIS dependencies, transaction flows, and interfaces, enabling accurate mapping to new cloud-native services.
Support decoupling and phased migration away from FIS, ensuring business continuity and minimal disruption to retail payment operations.
Assist in validating coexistence of legacy FIS and new systems, troubleshooting issues, and ensuring transaction integrity during transition.