Over a two-month period, contributed to both the flipperdevices/u-boot and bootlin/training-materials repositories, focusing on reliability and maintainability. In flipperdevices/u-boot, addressed network configuration issues by restoring environment flag recognition for both legacy and LWIP stacks and improved boot process stability by ensuring proper initialization of boot image pointers, using C and embedded systems expertise. For bootlin/training-materials, enhanced onboarding and documentation by refining Arch Linux installation guidance and automating networking materials builds with GitHub Actions and YAML. Demonstrated strengths in CI/CD, technical writing, and configuration management, delivering solutions that reduced support workload and improved cross-stack compatibility and documentation quality.