搜索算法工程师-抖音（上海/杭州）
Core
Develop and optimize search algorithms for Douyin, focusing on short video, live streaming, and local life business lines using end-to-end machine learning models.
Role type
Senior IC search algorithm engineer (NLP/CV/CTR)
Builds
High-availability, low-latency online search services and distributed ML systems for Douyin
Domain
Consumer social media, search, and recommendation
Deliverable
production ML models
Required skills
NLP, computer vision (CV), click-through rate (CTR) estimation, graph neural networks, C++, Python, Linux, data structures, algorithm design
Preferred skills
Search algorithm experience, large-scale streaming machine learning, multimodal matching
Technologies
Deep learning frameworks, distributed systems, indexing, recall, ranking
Responsibilities
Improve search result precision using advanced NLP, CV, and CTR estimation techniques; develop matching technologies for text and multimodal queries; build video understanding models combining NLP, CV, and graph neural networks; explore new product forms like smart covers and video summaries.
