Machine Learning Engineer, TikTok Brand Ads
Core
Build a multimodal large language model content understanding engine to retrieve, rerank, and align billions of short videos with brand advertisements.
Role type
Senior IC machine learning engineer (multimodal LLM & ads ranking)
Builds
Multimodal semantic understanding models, generative retrieval & ranking systems, and large-scale video content indexing pipelines for brand ads.
Domain
Short-video platform advertising, multimodal AI, large-scale distributed systems
Deliverable
production ML models
Required skills
Multimodal LLM development, generative retrieval & ranking, video semantic modeling, cross-modal alignment, embedding distillation, hard negative mining, large-scale system optimization
Preferred skills
NLP, search/advertising/recommendation systems, brand ads domain knowledge, auction/bidding/ranking/forecasting expertise, video understanding research publications
Technologies
Go, C/C++, Python, large language models, vector databases, distributed training frameworks
