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TikTok

Short-form video platform with ads

Machine Learning Engineer New Grad - Data-Global E-Commerce-Search

AI ResearchConfirmed live in the last 24 hours
Full-timeSeattle, WA, USAIn-person

About the Job

Requirements

  • Currently pursuing or recently completed a PhD degree in Computer Science, Electrical Engineering, Machine Learning, Artificial Intelligence, Information Retrieval, Natural Language Processing, Data Mining, Statistics, or a related technical field.
  • Research or practical experience in one or more areas: search, information retrieval, ranking, recommendation systems, natural language processing, multimodal learning, large language models, data mining, or machine learning systems.

Responsibilities

  • Participate in applied research and improvement of the search core algorithm, with possible directions including content understanding, user behavior modeling, video understanding, and search research and evaluation.
  • Apply natural language processing and computer vision technology and leverage large language models to match relevant videos with search queries and improve TikTok search relevance.
  • Solve recommendation problems in search to improve personalization and understand users better.
  • Use natural language processing, computer vision, and large language models for video understanding from video and social-network perspectives, improving the authority, credibility, and usefulness of search results.
  • Develop new retrieval, ranking, relevance evaluation, query understanding, multimodal search, or large language model application methods, and translate research ideas into scalable product improvements.

Desired Qualifications

  • Publications, preprints, patents, open-source contributions, or research projects in search, recommendation, natural language processing, information retrieval, machine learning, or related areas.
  • Experience with large-scale retrieval, ranking, model training, evaluation, online experimentation, distributed systems, or production machine learning systems.
  • Familiarity with relevance evaluation, query understanding, semantic retrieval, vector search, large language model applications, or multimodal search.
  • Ability to define ambiguous technical problems, compare solution paths, and communicate trade-offs clearly.
  • Interest in applying research to improve search quality, user experience, and product impact at global scale.

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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