Worked on the communitiesuk/eip-ero-ems-integration-api repository to deliver a targeted database migration addressing register check status handling and GSS code index application. Focused on enhancing data integrity, the migration ensured the correct index was applied and updated the master changelog for improved traceability. Leveraged skills in database migration and YAML to document and implement the changes, reducing downstream processing errors and supporting more reliable reporting. The work established a stronger foundation for future migrations and audits by explicitly recording migration details and updating project documentation, reflecting a methodical approach to maintaining critical licensing and eligibility workflows within the system.