Developed comprehensive operation reports data generation and reporting capabilities for the enforcement service within the hmcts/opal-fines-service repository. Leveraging Java, Spring, and JUnit, delivered end-to-end data generation supporting both detailed and summary reports, while enhancing filtering options and expanding automated test coverage. Addressed stability by resolving failing unit and integration tests, fixing build issues, and refreshing key dependencies to improve deployment reliability. Improved data quality through targeted filters and updated report formats, including ISO-8601 retention settings. Collaborated on documentation and specification updates, coordinated with co-authors to ensure code quality, and established a robust foundation for future analytics enhancements.