Machine Learning Engineer - E-Commerce Recommendation Live
Core
Design and scale large recommendation models, generative retrieval, and LLM agents for TikTok Shop LIVE to drive GMV and creator success in real-time.
Role type
Senior IC machine learning engineer (recommendation systems)
Builds
Unified recommendation stack for live commerce surfaces including For You feed, LIVE entries, and discovery feeds
Domain
E-commerce, live streaming, large-scale recommendation
Deliverable
production ML models
Required skills
Large recommendation models, generative recommendation, LLM/multimodal modeling, sequential user modeling, reward modeling, reinforcement learning, LLM agents, distributed training, model optimization
Preferred skills
E-commerce/live-streaming recommendation, LLM post-training (SFT/DPO/RLHF), LLM agents, cross-domain transfer, LTV modeling, large-scale inference efficiency (via careerplan.io/jobs/7694055448622647557-machine-learning-engineer-e-commerce-recommendation-live-at-tiktok)
Technologies
PyTorch, TensorFlow, Python, C++
