Abhinav Heble developed the Service Lineage feature for the goldmansachs/legend-engine repository, focusing on enhancing data lineage visibility and governance. He designed and implemented new foundational classes and functions in Pure to represent service lineage information, integrating these with existing mapping and lineage scanning components. His work introduced a property-tree dataset enrichment mechanism, enabling richer and more comprehensive lineage insights across services. Leveraging skills in code generation, data lineage, and metamodel design, Abhinav’s contribution provided a maintainable and extensible foundation for end-to-end lineage tracking. The depth of integration addressed the need for clearer data flow understanding within the Legend Engine.