database sharding to optimize the project's data pipeline. Enhanced the transaction system, increasing TPS (Transactions Per Second) by approximately 30%. Developed scalable server APIs and maintained the Frontend project. Game Server Logic (Go, ProtoBuf, Channel, RWMutex) Designed a multiplayer game framework. Implemented RWMutex to prevent data races. Focused on implementing complex game logic API Server, Service Integration, Project Lead (Go, MongoDB, Elastic Stack, Kubernetes, GCP) Integrated API servers from different vendors. Designed and implemented data pipelines. Employed JWT and public/private key verification mechanisms. Coordinated and communicated with foreign vendors