服务端开发工程师（用户触达） - 抖音研发
Core
Building and optimizing minute-level message delivery capabilities for hundreds of millions of users, including push channel construction, architecture optimization, and strategy improvements.
Role type
Senior backend engineer (user notification)
Builds
High-concurrency, stable push services for Douyin, Toutiao, and Feishu
Domain
Social media / Video streaming / Enterprise collaboration
Required skills
Golang/Python/Java/C++, data structures and algorithms, system design, MySQL, Redis, message queues
Preferred skills
Middle platform or To B experience, data and content domain expertise
Responsibilities
Constructing push channels, optimizing system architecture, tuning performance under high concurrency, abstracting business logic
Seniority
Senior, hands-on IC
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