We are seeking an experienced MongoDB Database Administrator (DBA) to manage and maintain our database systems. As a DBA, you will be responsible for designing, deploying, and managing MongoDB databases, ensuring their high availability, performance, and security. You will work closely with the development team to solve database-related technical issues and establish best practices to optimize database performance and reliability.Responsibilities:Design, deploy, and maintain the MongoDB database architecture, including clusters, replica sets, and shardingMonitor database performance, receive database alarms, identify and solve performance bottlenecks and failuresCollaborate with the development team to provide database design and optimization suggestions for new projectsWrite automation scripts and tools to automate common database management tasksInvestigate and resolve database-related technical issues, provide emergency support and troubleshootingFollow the latest developments and best practices of MongoDB, continuously optimize database performanceResponsible for the operation and maintenance of some MySQL databasesRequirements:Bachelor’s degree or higher, priority in Computer Science or related fieldMore than 3 years of MongoDB (mandatory), MySQL database management experience, familiar with MongoDB cluster deployment, performance optimization, and fault recoveryFamiliar with Linux operating system and Python programmingHave good communication skills and teamwork spirit, able to effectively cooperate with the development team to solve technical problemsHave self-learning ability and problem-solving ability, able to think independently and quickly adapt to new technologies and tools