Job responsibilities of contract technology expert: 1. Development and optimization of contract trading system matching/clearing system: 2. Responsible for the development, optimization, and maintenance of the company's trading system matching and clearing engine, ensuring stable and efficient operation of the matching and clearing engine in high concurrency and high load environments. 3. Design and implement high-performance, low latency matching algorithms and low latency clearing based on market demand and business changes, ensuring fairness, accuracy, and efficiency in transaction matching. 4. Optimize the performance and architecture of various core modules of the transaction matching system, such as order matching, matching algorithms, and order book management. 5. Optimize the performance and architecture of various core modules of the trading clearing system, such as user clearing and market maker clearing.