高级服务端研发工程师（实验分流） - 数据平台
Core
Design, develop, and evolve the architecture of A/B testing traffic splitting services to support high-concurrency, high-availability, and low-latency experiments for Douyin, E-commerce, and other business lines.
Role type
Senior IC backend engineer (traffic splitting / A/B testing platform)
Builds
High-scale traffic splitting services and experimental evaluation infrastructure
Domain
Internet / Big Data / A/B Testing
Deliverable
production ML models
Required skills
Go, C++, distributed systems, system design, high concurrency, low latency, service governance, multi-datacenter deployment, data compliance
Preferred skills
A/B testing platform development, traffic splitting systems, dynamic configuration, feature flags, experimental bucketing, multi-tenant architecture, client-side SDKs, edge computing, large model integration
Technologies
Go, C++, distributed systems, configuration centers, service governance, multi-datacenter architecture
Responsibilities
Architect and develop traffic splitting services for large-scale online experiments; build stability mechanisms including change control, disaster recovery, and full-link monitoring; drive global multi-datacenter deployment to meet compliance and optimize costs; collaborate with business and data teams to improve experiment efficiency; explore AI/LLM applications for intelligent experiment configuration and anomaly diagnosis.
Seniority
Senior, hands-on IC
