TikTok
Machine Learning Engineer Graduate (E-Commerce Recommendation Foundation) - 2027 Start
Seattle, Washington · Full-time · Posted Oct 28, 2026
- Education
- Completing or recently completed a Bachelor's degree in Computer Science, Electrical Engineering, Mathematics, Statistics, or a related discipline.
About the job
Build and train recommendation foundation models and generative recommendation systems for TikTok E-commerce, including multimodal item representation and LLM-based recommendation.
What you'll do
- Participate in recommendation foundation model pre-training, mid-training, and post-training.
- Design and train multimodal semantic tokenizers to encode recommendation item content.
- Develop LLM-native recommendation and systems spanning retrieval, ranking, and end-to-end generative recommendation.
What they ask for
- Completing or recently completed a Bachelor's degree in Computer Science, Electrical Engineering, Mathematics, Statistics, or a related discipline.
- Solid foundation in machine learning and deep learning, with strong interest in LLMs and generative recommendation.
- Proficiency in Python and experience with deep learning frameworks such as PyTorch.
- Self-driven, with a strong research mindset and solid engineering skills.
Nice to have
- Experience with pre-training, mid-training, or post-training of LLMs or Foundation Models; or relevant generative recommendation, LLM-native recommendation, or multimodal semantic tokenization projects.
- LLM-related publications at named top-tier conferences or strong achievements in major technical competitions.
Tools
Python, PyTorch, LLMs, VLMs
AI focus
Develop Recommendation Foundation Models and generative recommendation using LLMs/VLMs, multimodal understanding, reinforcement learning, and semantic tokenization.
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