Worked on core networking stability in the nim-lang/Nim repository, focusing on cross-platform socket address retrieval and Windows networking reliability. Addressed subtle bugs in Nim’s native networking layer by correcting the initialization of socket address structures and aligning behavior with Windows and Linux APIs. Improved the accuracy of getsockname-based address reporting and resolved Windows-specific address resolution failures by fixing AddrInfo imports and linkage in Nim’s Windows API bindings. Employed Nim and system programming skills to enhance code correctness, maintainability, and cross-platform compatibility. Prioritized targeted bug fixes and thorough validation over feature delivery, contributing to more robust networking for Nim-based applications.