Worked on stability and performance improvements across openwrt/packages and flipperdevices/u-boot repositories, focusing on embedded systems and configuration management. Addressed a path-related issue in the prodc service by removing unnecessary znc.conf file watching, which reduced restart churn and improved system uptime. In U-Boot, implemented a memory optimization by selectively disabling the Designware SPI driver in the SPL, preserving its functionality in the main U-Boot to support deployment on memory-constrained devices. Used C, Makefile, and Shell scripting to deliver targeted, low-risk changes, demonstrating disciplined code review practices and aligning with maintainers’ processes for reliable system administration and driver development.