"""【Senior JAVA Development Engineer】

Initial Responsibilities:

1. Participate in the development of the company's CEX data backend to support core business operations;

2. Design the architecture for complex payment-related systems with a forward-looking perspective, mastering the design of large distributed systems, ensuring design quality, and considering overall technical costs (development, operation, maintenance, reliability);

3. Engage in the design and review of technical project proposals, assess and control project quality, address various issues during the system iteration process, and enhance team efficiency and development quality;

4. Responsible for the preliminary research and resolution of technical challenges, addressing key issues in the system and ensuring system stability;

5. Participate in writing code for core architectural components, train and guide development engineers, and standardize development processes;

Subsequent Responsibilities:

1. Responsible for the design, development, and innovation of real-time computing systems;

2. Advance the architecture of the transaction matching engine for future systems (processing daily traffic in the tens of millions or hundreds of millions);

3. Promote the development of rule engines, variable platforms, and other middle-platform systems.

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Degree in Computer Science or a related field, proficient in Java development language and related technology stack, with over 8 years of Java development experience;

1. Experience in development and optimization of massive data aggregation queries and computations;

2. Experience in the refactoring of large systems, with practical experience in DDD, middle-platforms, continuous integration preferred;

3. Proficient in Java-related technologies and frameworks, such as Spring Cloud Alibaba, MyBatis, including design principles and implementation principles, familiar with transactions/distributed transactions, etc.;

4. Familiar with Redis, RabbitMQ/RocketMQ, and RabbitMQ, with mastery in at least one of these; knowledgeable about common middleware such as Skywalking/Cat and scheduling centers;

5. Experience in bottom-layer framework development, implementation, and promotion in large companies;

6. Familiar with common network issues, with certain troubleshooting experience or methods;

7. Must have experience in large-scale CEX;

8. Interest in the development of high-concurrency systems, with the following requirements.

 + Proficient in high-concurrency, high-performance system development;

 + Familiar with databases, with optimization experience preferred;

 + Experience in real-time computing engines like Flink is preferred, experience with TiDB and TiFlash is preferred;

 + Experience with NoSQL databases is preferred, such as ClickHouse, Elasticsearch, etc.;

 + Innovative spirit, able to actively research new technologies needed for projects and implement them in actual projects;

 + Experience in developing risk control engines is preferred;

 + Experience in developing transaction matching engines is preferred."