Tech Lead, Machine Learning Engineer - Search E-commerce
Core
Lead the search algorithm and ranking system for TikTok's global e-commerce business, serving over 1 billion monthly users.
Role type
Tech Lead, Machine Learning Engineer (Search & Ranking)
Builds
End-to-end search engine, ranking systems (recall, pre-rank, rank), and multi-modal matching for e-commerce video content.
Domain
E-commerce, Search, Machine Learning, NLP, Computer Vision
Deliverable
production ML models
Required skills
NLP, Ranking algorithms, Search Engine optimization, Recommendation systems, Machine Learning, Data structure and algorithms, Query analysis, Text relevance matching, Multi-modal matching, Behavioral data modeling, GMV growth optimization
Preferred skills
Publication records in top journals or conferences, ACM-ICPC medal experience, Team management experience
Technologies
Large-scale machine learning, NLP, CV, Multi-modal technology
