Business payment system development, smart contract development, frontend iterationPayment wallet development and iterationDeFi architecture design and implementation

Protocol development and maintenanceDevelopment of the P2P and BFT functions for SATDevelopment of wallet functionalityCo-founded IT Orange under LeChain

Development of backend system, member credit system, discount voucher system, service backend (vehicle washing, vehicle repairing, road rescue, etc)

Development of the streaming protocol stack for radios, including the SIP protocol stack and the ZTE-customized cluster protocol stack B-Trunk.Development and maintenance of the media codec library for the radios, including the maintenance of media codec libraries such as AMR, H264, and H265.

Develop the core network and access network for 3G WCDMA and interface with base station vendors such as Huawei and Datang.Develop the core network for 4G LTE.Led the development of the company's 3G and 4G core network products, filling the gap of the company's lack of wireless core network products.Interfaced with mainstream base station vendors and led the product delivery and post-maintenance work.