职位描述：

Job Description：

1.Responsible for the design, monitoring, implementation, maintenance, troubleshooting, and optimization of database systems, ensuring high availability, scalability and reliability；

2.Design and develop computer software or utility toolkits to automate and more efficiently manage large-scale database instances；

3.Perform database fault detection, localization, and stop-loss capability development to improve anomaly recovery speed；

4.Collaborate with application developers teams to improve database performance and reliability；

5.Responsible for participating in a 24*7 on-call rotation to ensure high availability and resolving critical database issues。

职位要求：

Job Requirements：

1.Bachelor's or higher degree in Computer Science, Information Technology, Programming, Science (Computer Studies) or related discipline；

2.Familiar with TCP/IP, Data Structures, Algorithms and other protocols, and have good knowledge of operation system, network, database, computer architecture；

3.Basic understanding of database theory and system architecture(index, transactions, ACID, MVCC, Raft, Sharding, CAP, High Availability) ；

4.Experience in at least one backend language (Python, Golang, Java etc) ；

5.Familiar with Unix/Linux operating systems and networking is preferred；

6.Experience in MySQL, Redis, MongoDB, HDFS, HBase is preferred；

7.Strong communication and interpersonal skills to collaborate with cross-functional teams；

8.Fluent in Chinese and English is preferred。