Robert focused on enhancing the DEFRA/water-abstraction-system by delivering a robust test suite for the FetchCurrentReturnCycleService. He addressed a critical bug affecting the calculation of current return cycles, ensuring accurate results across both summer and non-summer periods. Using JavaScript and Node.js, Robert refactored the test suite to streamline setup and eliminate redundant tests, which improved regression speed and reduced maintenance complexity. His work introduced clearer regression coverage, helping to prevent future issues with return cycle logic. This targeted engineering effort increased the reliability of cycle calculations, reducing risk for downstream processes and supporting safer, more confident deployments for the team.