搜索算法工程师-抖音生活服务
Core
Design and implement search algorithms for Douyin's local life services (group buying, dining, travel, entertainment) to enhance user experience and conversion efficiency using large-scale machine learning.
Role type
Senior IC search algorithm engineer (local life services)
Builds
Personalized search results for local life services (group buying, dining, travel, entertainment)
Domain
Local life services / E-commerce
Deliverable
production ML models
Required skills
Machine learning, Deep learning, NLP, Personalization, C++, Python, Linux, Data structures, Algorithms
Preferred skills
Search, Recommendation, Ad algorithms, Local life services, E-commerce
Technologies
C++, Python, Linux
Responsibilities
Design and implement full-stack search algorithms (query analysis, relevance, recall, coarse ranking, fine ranking, mixed ranking), build personalized behavior models (relevance calculation, CTR/CVR estimation, vector recall, value-based mixed ranking), and apply large-scale ML techniques to improve user shopping experience and conversion efficiency.
