搜索算法工程师-抖音生活服务（杭州）
Core
Design and implement search algorithms for Douyin's local life services (group buying, dining, travel, entertainment) to enhance user experience and conversion efficiency.
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, or ad algorithms experience; local life or e-commerce business experience
Responsibilities
Query analysis, relevance calculation, recall, coarse ranking, fine ranking, mixed ranking, CTR estimation, CVR estimation, vector recall, value-based mixed ranking
Seniority
Senior, hands-on IC
