Senior Java Engineer (CEX experience) - Mandarin Speaking

📋 Description Participate in backend development for centralized exchange (CEX) systems. Design architectures for complex payment systems and large-scale distributed systems. Contribute to solution design, reviews; improve team efficiency. Lead research and resolution of critical technical challenges; ensure stability. Implement core architecture, write quality code, mentor developers. Lead design and innovation of real-time computing systems. 🎯 Requirements Bachelor's degree in CS or related field; expert-level Java with 8+ years. Experience building and optimizing large-scale data aggregation, query, compute systems. Experience with large-scale refactoring; exposure to DDD, middleware, CI/CD. Deep understanding of Java frameworks: Spring Cloud Alibaba, MyBatis; distributed transactions. Proficient in Redis and MQ (RabbitMQ/RocketMQ); familiarity with SkyWalking and CAT. CEX experience is mandatory.