Donatela Qesari

Developed and maintained a Java-based web application using a custom ORM-like database management approach. Implemented CRUD operations using structured Java classes (Gestione classes) for database interactions. Built request handling using servlets deployed on Apache Tomcat and managed a metadata-driven database schema with versioning via tables.txt. Integrated PrimeFaces for dynamic UI components and worked with schema updates across versions.

Designed, developed, and maintained applications for financial calculations, focusing on correctness and performance. Optimized code to reduce server resource usage and operational costs. Integrated and optimized solutions on WildFly 18. Built microservices including a gRPC server-streaming service for account updates with robust error handling, and a frontend-request microservice for token verification, permission checks, gRPC communication, and email notification integration. Implemented CRUD microservices for agency data using Spring Data JPA and gRPC (filter-to-entity mapping and paginated JSON responses) and developed an endpoint to export agency/POS data to Excel, returning results as a byte array via gRPC.