Andy Chiang contributed to the openwrt/packages and openwrt/luci repositories, focusing on both feature development and stability improvements. He implemented ChaCha20-Poly1305 encryption for ovpn-dco, enhancing security and ensuring reliable deployments through careful build system configuration and package management using C and Makefile. In the LUCI suite, Andy localized time displays across the user interface, improved routing status visibility, and addressed multiple bugs affecting translation, resource management, and UI consistency. His work demonstrated depth in JavaScript, CSS, and system programming, combining user-facing enhancements with robust backend fixes to improve maintainability and user experience across embedded and web environments.