服务端研发工程师（J100240）
Core
Design, develop, and maintain server-side systems supporting hundreds of millions of users, including authentication, permission management, and AI innovation modules.
Role type
Senior backend engineer (high-concurrency systems)
Builds
Scalable server-side infrastructure and account-related product features
Domain
Internet / High-concurrency distributed systems
Deliverable
production ML models | product features
Required skills
PHP or Go, MySQL, Redis, distributed system design, microservices, message queues
Preferred skills
AICoding adoption, large model integration, code migration, account system experience, AI exploration
Technologies
PHP, Go, MySQL, Redis, microservices, message queues
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