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TikTok

Short-form video platform with ads

Machine Learning Engineer - Commerce Ads Ranking

Applied Machine LearningConfirmed live in the last 24 hours
Full-timeSan Jose, CA, USAIn-person

About the Job

Requirements

  • Have excellent coding skills and be familiar with C++ and Python, with a solid foundation in data structures and algorithms.
  • Have a solid foundation in machine learning and be familiar with common algorithm models such as FM, LR, GBDT, DNN, and Wide & Deep.
  • Have excellent learning ability, analytical and problem-solving skills, and teamwork spirit.
  • Have a bachelor's degree or above in computer science or related majors.

Responsibilities

  • Optimize models in the ads delivery system through feature engineering, model structure, auto crossing, ads cold start, modeling delayed feedback, multi-task learning, and sequence modeling.
  • Co-design algorithms and systems, including retrieval algorithms, sample mining, and long-sequence methods.
  • Explore large-scale distributed training frameworks, including GPU tuning, feature processing, and synchronous training.
  • Improve ads delivery efficiency in privacy-preserving environments.
  • Develop the next-generation recommendation system using an LLM learning paradigm, including entity understanding, end-to-end generative recommendation, sequence-only-based recommendation, and mixture of experts.

Desired Qualifications

  • Papers in conferences such as KDD, NeurIPS, or SIGIR, or experience in data mining or machine learning competitions, are a good fit.
  • Work experience in advertising, recommendation, or search ranking is preferred.

About the Company

TikTok

Short-form video platform with ads

TikTok is a short-form mobile video platform that lets people create, discover, and share quick videos. Users upload vertical clips, edit them with built-in tools, and browse a personalized feed powered by an algorithm that highlights relevant content. Advertisers can use in-feed ads, branded hashtags, and the Business Center to plan and measure campaigns, making it easy for brands to reach a global audience. Its goal is to inspire creativity and bring joy by helping people express themselves and by connecting brands with a wide audience.

Company size
10,001+
Company stage
Grant
Total funding
$740K
Headquarters
Santa Monica, CA
Founded
2016

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