Drimva

TikTok

Machine Learning Engineer - E-commerce Recommendation

San Jose, California · Full-time · Posted Oct 28, 2026

Experience
No number of years specified.
Education
Bachelor’s degree or higher in Computer Science or related fields.

About the job

Develops large-scale e-commerce recommendation algorithms and systems for TikTok Shop, including models for product, livestream, and short-video recommendations.

What you'll do

  • Build recommendation algorithms and systems for large-scale e-commerce use cases.
  • Model user interests and develop predictive models for candidate generation and ranking, including CTR and conversion prediction.
  • Build real-time data pipelines, optimize models, and develop supporting and debugging tools.

What they ask for

  • Bachelor’s degree or higher in Computer Science or a related field.
  • Strong programming and problem-solving ability.
  • Applied machine-learning experience and familiarity with one or more listed algorithms, such as collaborative filtering, matrix factorization, or deep neural networks.
  • Experience with TensorFlow or PyTorch and at least one programming language such as C++ or Python, or equivalent.

Nice to have

  • Experience in recommendation systems, online advertising, information retrieval, NLP, machine learning, or large-scale data mining.
  • Relevant publications or experience in data-mining or machine-learning competitions.

Tools

TensorFlow, PyTorch, C++, Python, Collaborative Filtering, Matrix Factorization, Factorization Machines, Word2vec

AI focus

Applies large-scale machine learning to e-commerce recommendations, user-interest modeling, and ranking and prediction models.

Model-written summary · the original posting is authoritative

First seen Oct 28, 2026 · Last verified Nov 4, 2026 (UTC)