资深后端研发工程师（搜索方向）-TikTok Shop
Core
Design and upgrade the architecture of a recommendation debugging platform to support global multi-country, multi-scenario diagnostic needs for recommendation chains.
Role type
Senior IC backend engineer (recommendation platform)
Builds
A one-stop user behavior sequence query and visualization system, plus a traffic monitoring and anomaly diagnosis framework.
Domain
E-commerce / Recommendation Systems / Observability
Deliverable
production ML models
Required skills
System design, data querying, log analysis, distributed tracing, funnel analysis, LLM application
Preferred skills
Large model application in debugging, cross-functional collaboration
Technologies
Recommendation chains (recall, ranking, re-ranking, exposure, click, conversion), user behavior sequences, traffic monitoring, anomaly diagnosis
Responsibilities
Design and upgrade the recommendation debugging platform architecture; Build user behavior sequence query and visualization capabilities; Establish traffic monitoring and anomaly diagnosis systems; Support recommendation model and strategy evaluation体系建设.
Seniority
Senior, hands-on IC
