During a two-month period, this developer contributed to jd-opensource/xllm by building the Mooncake KV Cache Transfer Mechanism, which enables efficient inter-node data transfer and optimizes memory management in distributed systems with NPU integration. Their C++ work focused on reducing transfer overhead and improving data synchronization across processing units, laying the foundation for higher throughput in distributed deployments. Additionally, in ping1jing2/sglang, they enhanced backend robustness by implementing Python-based JSON decode error handling and explicit exception raising for hicache configuration loading. This improved operational stability and maintainability, demonstrating depth in both backend development and distributed system reliability.