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TikTok

Short-form video platform with ads

Research Scientist Intern - Monetization Technology, Ads Core

AI ResearchPosted on Nov 5
Internship · Summer 2027San Jose, CA, USA$60 /hrIn-person

About the Job

Requirements

  • Currently pursuing a PhD in Computer Science, Mathematics, Statistics, or a related technical discipline.
  • Demonstrated programming skills in C/C++ and Python, familiarity with data structures and algorithms, and familiarity with the Linux development environment.
  • Essential knowledge and skills in statistics.
  • A strong theoretical grounding in deep learning concepts and techniques.
  • Familiarity with the architecture and implementation of at least one mainstream machine learning framework, such as TensorFlow, PyTorch, or MXNet.

Responsibilities

  • Assist in optimizing efficiency across the advertising funnel, including recall and rough-sort, fine-sort (CTR/CVR), format and creative personalization, and system resource allocation.
  • Research and develop a global advanced advertising delivery system using frontier technologies, including machine learning/deep learning, reinforcement learning, large language models, and scaling laws in ads recommendation.
  • Design and set up system frameworks and standards to continuously improve overall efficiency and meet different vertical business needs.
  • Work with product and business teams across various scenarios with global impact.

Desired Qualifications

  • Knowledge of at least one of the following: factorization machines, uplift modeling, diffusion models, or reinforcement learning.
  • Basic understanding of large recommendation systems and ads-serving system concepts.

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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