TikTok
Machine Learning Engineer, Recommendation, E-Commerce Alliance
Seattle, Washington · Full-time · Posted Oct 28, 2026
- Experience
- 3+ years of industry experience.
About the job
Build and optimize machine-learning recommendation systems for TikTok e-commerce, improving creator-product matching, conversion, and shopping experiences.
What you'll do
- Design large-scale algorithms to model creators’ real-time interests and improve conversion.
- Optimize product-creator relationship mining, ranking, and recommendation recall.
- Analyze creator and merchant behavior to develop strategies that improve monetization and support e-commerce growth.
What they ask for
- 3+ years of industry experience and a solid theoretical foundation in machine learning.
- Familiarity with matrix factorization, GBDT, LTR, Word2vec, DIN, and Deep&Wide.
- Proficiency in Python and C++.
Nice to have
- Proficiency with any of XGboost, TensorFlow, or Caffe.
- Excellent learning ability and good communication and cooperation skills.
Tools
Python, C++, matrix factorization, GBDT, LTR, Word2vec, DIN, Deep&Wide
AI focus
Develop machine-learning algorithms and recommendation strategies for creator interests and e-commerce product recommendations.
Model-written summary · the original posting is authoritative