Yalcin Gurlek developed the Object Classification feature for S4SCSD within the SAP/abap-atc-cr-cv-s4hc repository, focusing on ABAP development in the SAP S/4HANA environment. He designed and implemented new logic and data structures to enable structured classification of S4SCSD objects, which improves data quality and supports downstream automation and analytics. The work required a deep understanding of ABAP and SAP S/4HANA’s extensibility, with attention to code quality and maintainability. During this period, Yalcin concentrated on feature delivery rather than bug fixes, demonstrating a methodical approach to engineering and aligning the solution with the broader product roadmap.