※ 1. Exchange graduates must have experience in centralized exchange core links, such as spot market trends, orders, and matchmaking; Key focus on contract trends, orders, positions, matching, assets, etc. 2. Solid foundation in Java, proficient in mastering IO、 Netty、RPC、kafka、rocketMq、Websocket、 Multi thread, high concurrency, collection and other basic class libraries 3. Be familiar with distributed cache, message mechanism, high concurrency, high-performance distributed system design and application, and tuning 4. Deeply understand common Internet technology stations, spring bucket, mybatis, redis, nacos, mq, zk and other open source components and technologies