Job description: Analyse existing applications within the Integration Layer to understand current data flows impacted by the replacement of the core banking system. Collaborate with consumer application teams to specify required changes to data interfaces and integration logic. Implement adjustments to Integration Layer components to align with the new system of record. Conduct thorough testing of modified data flows to ensure accuracy, stability, and compatibility with consumer applications. Identify Integration Layer applications containing business logic and define the required functional changes based on new data structures. Implement and validate updated business logic to ensure it meets the needs of consuming applications and supports the new operational core banking system. Ensure end-to-end integration quality through coordinated testing with all impacted systems. Requirements: Strong experience in Oracle PL/SQL development. In-depth knowledge of Oracle databases. Ability to understand complex requirements and break them down into simple, actionable components. Experience with implementing data import/export functions and designing workflow steps. Solid knowledge of Informatica PowerCenter. Hands-on experience with Informatica PowerCenter upgrade/migration projects. Professional experience working with Informatica IDMC. Practical experience using Dataiku Data Science Studio (DSS) in a professional environment. Strong banking domain knowledge, especially in understanding complex implementations.