TikTok
Machine Learning Engineer, Recommendation, Alliance E-Commerce
Seattle, Washington · Full-time · Posted Oct 28, 2026
- Experience
- 3+ years of industry experience.
About the job
Build machine-learning systems for creator product recommendations and merchant-creator matching to improve conversion, GMV, and the shopping experience on TikTok’s e-commerce platform.
What you'll do
- Design large-scale algorithms to model creators’ real-time interests and improve conversion efficiency.
- Optimize commodity relationship mining and product recommendation ranking and recall.
- Analyze creator and merchant behavior to develop algorithm strategies that improve monetization efficiency.
What they ask for
- 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 collaboration skills.
Tools
Python, C++, matrix factorization, GBDT, LTR, Word2vec, DIN, Deep&Wide
AI focus
Develop machine-learning algorithms for real-time creator interest modeling, product recommendations, and merchant-creator strategies.
Model-written summary · the original posting is authoritative