Developed core C# Flight SQL client capabilities for both the apache/arrow-dotnet and mathworks/arrow repositories, focusing on enabling .NET developers to execute SQL queries efficiently via Flight SQL. The work included implementing prepared statement support with parameter binding and metadata handling, ensuring the C# API closely aligned with the established C++ client for cross-language consistency within the Apache Arrow ecosystem. Emphasized robust API design, client-server communication, and comprehensive unit and integration testing to validate functionality. Leveraged C#, gRPC, and SQL expertise to deliver features that improved database connectivity and interoperability, facilitating faster data access and streamlined integration for downstream users.