Working in all phases of the development and support lifecycle of a financial reconciliation software tool used in straight-through-processing of SWIFT messages. The application supports many background processes and end-user connections.Responsibilities: ORACLE Database Administrator :Performance focused SQL, PL\SQL and Transact-SQL development. This includes building database search routines, queue-building procedures, triggers to aid the enforcement of data integrity and scripting the migration of data between application versions.Making interventions in customer databases to fix problems and install patches.Diagnostics of bugs, investigation, and delivery of patches.Developing functions, procedures, triggers, packages and scripts.Database design and work specification.Java/J2EE DeveloperProject Lead to develop a Single Page Web Application based on Angular 8 for Spring Boot for back-end, and Oracle for database.Designing and developing RESTful APIsWriting unit tests and integration tests for the web applicationsIntegrating front-end applications with back-end servicesDeveloping and maintaining automated build and deployment processesTroubleshooting and debugging web applicationsOptimizing web applications for performance and scalabilityRefactoring existing code to improve maintainabilityDeveloping and maintaining documentation for web applications