Worked on the ofiwg/libfabric repository to enhance the TCP provider by introducing the FI_GET_FD control operation, which allows applications to access the underlying socket file descriptor. This feature enables users to tune socket options such as buffer sizes and busy polling, which are not directly exposed by the libfabric API. The implementation required strong proficiency in C and a solid understanding of low-level and network programming concepts. By integrating this capability into the TCP provider, the work improved configurability and performance tuning for users, supporting more flexible deployment and optimization of networking behavior in system-level workloads.