Worked on core system reliability and developer tooling across apache/nuttx, apache/nuttx-apps, and SuperSandro2000/nixpkgs, focusing on bug fixes that improved inter-process communication and build stability. Addressed partial write handling in NuttX pipes, ensuring non-blocking operations returned predictably and data integrity was maintained, using C for kernel and system programming. Enhanced debugging workflows by refining regular expressions in NXGDB for accurate remote register parsing. In SuperSandro2000/nixpkgs, resolved Hawkmoth compatibility by pinning LLVM dependencies, leveraging Nix and Python for package management. Demonstrated depth in embedded systems, build systems, and debugging, delivering robust solutions that reduced breakage and improved workflow reliability.