In August 2025, Alex contributed to the rapidsai/cuvs repository by developing a public API for CAGRA graph optimization that supports host memory inputs. This work involved designing a new C++ API and updating the implementation to operate on host matrices, enabling users to optimize KNN graphs into CAGRA search graphs directly from host memory. Alex also introduced a dedicated API header and comprehensive unit tests to validate host-based operation and usability. Leveraging skills in C++, CUDA, and graph optimization, Alex’s work expanded integration points and improved usability for host-memory workflows, demonstrating a focused and well-tested engineering approach.