Dariusz Gonia

Designed and implemented new back-end features and evaluated back-end frameworks. Improved transaction management and async communication, created Testcontainers-based testing mechanisms, and supported production deployments.

Built a multi-module microservices application supporting internal processes including CMDB, key events registration, and alert generation. Designed and implemented microservices, worked with Neo4j and message brokers, managed CI/CD and tests, and migrated from Docker Swarm to Kubernetes while maintaining REST documentation.

Developed intranet workflow-document support features, gathering requirements and delivering back-end changes via microservices. Managed microservices configuration and collaborated with testers.

Worked on an internet application for ordering meals, gathering client requirements and implementing new back-end features. Evaluated back-end frameworks and helped split the application into modules for migration toward microservices architecture.

Designed and implemented Java EE systems for managing festival events and law-office client cases, collaborating with analysts. Resolved issues through analysis and debugging and implemented bug fixes.

Implemented Java EE features for insurance-related creditworthiness analysis and broker-managed insurance execution. Added missing unit and integration tests and collaborated with analysts and testers.

Rebuilt and enhanced a Java EE module supporting micropayments in mobile applications. Gathered requirements, reviewed code, and assisted junior programmers.

Implemented and enhanced SAML-based features in a public key infrastructure context. Prepared presentations about new features and collaborated with analysts.

Developed intranet applications for searching retention data, monitoring user activity, and managing security certificates for external systems. Prepared deployment and migration procedures (including moving to clustered application servers) and supported maintenance and debugging.

Developed and maintained a Java module supporting insurance policy sales. Implemented new features, resolved issues with bug fixes, collaborated with testers, and supported deployments.

Enhanced Java applications for bank-account operations and implemented features for cash pooling and liquidity management. Resolved issues, contributed to code refactoring, and worked in an international team.

Built intranet workflow/document/portal capabilities, integrating modules via PortletAPI and coordinating a team as lead developer. Supported deployments and workshops, and implemented features for debt collection workflow.

Studied Computer Science and Management at Wrocław University of Science and Technology (1994–1999), focusing on Java programming and web services such as SOAP and REST. Covered topics including JPA, OAuth2, Spring Boot/Spring Cloud, databases, and common development and testing tools.